diff --git a/CHANGES.rst b/CHANGES.rst
index 7017af37..5444acdb 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -11,7 +11,9 @@ Breaking changes:
 
 New features:
 
-- *add item here*
+- navigation-, news-, recent-,review-portlets: add options to supress icons,
+  read thumbsize from registry plus  option to override thumbsize individually 
+  or suppress thumbs. https://github.com/plone/Products.CMFPlone/issues/1734 [fgrcon]
 
 Bug fixes:
 
diff --git a/plone/app/portlets/portlets/configure.zcml b/plone/app/portlets/portlets/configure.zcml
index 6174b335..08e2bd7a 100644
--- a/plone/app/portlets/portlets/configure.zcml
+++ b/plone/app/portlets/portlets/configure.zcml
@@ -55,6 +55,7 @@
         assignment=".review.Assignment"
         renderer=".review.Renderer"
         addview=".review.AddForm"
+        editview=".review.EditForm"
         />
 
     <plone:portlet
diff --git a/plone/app/portlets/portlets/navigation.py b/plone/app/portlets/portlets/navigation.py
index 48d7fdeb..dd3ba0a2 100644
--- a/plone/app/portlets/portlets/navigation.py
+++ b/plone/app/portlets/portlets/navigation.py
@@ -22,6 +22,7 @@
 from Products.CMFPlone.defaultpage import is_default_page
 from Products.CMFPlone.interfaces import INavigationSchema
 from Products.CMFPlone.interfaces import INonStructuralFolder
+from Products.CMFPlone.interfaces import ISiteSchema
 from Products.Five.browser.pagetemplatefile import ViewPageTemplateFile
 from zExceptions import NotFound
 from zope import schema
@@ -95,6 +96,29 @@ class INavigationPortlet(IPortletDataProvider):
             default=0,
             required=False)
 
+    no_icons = schema.Bool(
+        title=_(u"Suppress Icons "),
+        description=_(
+            u"If enabled, the portlet will not show document type icons"),
+        required=True,
+        default=False)
+
+    ov_thumbsize = schema.TextLine(
+        title=_(u"Override thumb size "),
+        description=_(u"<br><ul><li> Enter a valid scale name"
+             u"(see 'Image Handling' control panel) to override"
+             u" e.g. icon, tile, thumb, mini, preview, ... )  </li>"
+             u"<li>leave empty to use default "
+             u"(see 'Site' control panel)</li></ul>"),
+        required=False,
+        default=u'')
+
+    no_thumbs = schema.Bool(
+        title=_(u"Suppress thumbs "),
+        description=_(
+            u"If enabled, the portlet will not show thumbs"),
+        required=True,
+        default=False)
 
 @implementer(INavigationPortlet)
 class Assignment(base.Assignment):
@@ -106,15 +130,23 @@ class Assignment(base.Assignment):
     includeTop = False
     topLevel = 1
     bottomLevel = 0
+    no_icons = False
+    ov_thumbsize = ''
+    no_thumbs = False   
 
-    def __init__(self, name="", root_uid=None, currentFolderOnly=False, includeTop=False, topLevel=1, bottomLevel=0):
+    def __init__(self, name="", root_uid=None,
+         currentFolderOnly=False, includeTop=False, topLevel=1, bottomLevel=0,
+         no_icons = False, ov_thumbsize = '', no_thumbs = False):
         self.name = name
         self.root_uid = root_uid
         self.currentFolderOnly = currentFolderOnly
         self.includeTop = includeTop
         self.topLevel = topLevel
         self.bottomLevel = bottomLevel
-
+        self.no_icons = no_icons
+        self.ov_thumbsize = ov_thumbsize
+        self.ov_thumbsize = ov_thumbsize
+        
     @property
     def title(self):
         """
@@ -278,16 +310,36 @@ def getNavTree(self, _marker=None):
 
         return buildFolderTree(context, obj=context, query=queryBuilder(), strategy=strategy)
 
-    def update(self):
-        pass
-
-    def render(self):
-        return self._template()
 
     _template = ViewPageTemplateFile('navigation.pt')
     recurse = ViewPageTemplateFile('navigation_recurse.pt')
 
+    @memoize
+    def thumb_size(self):
+        ''' use  overrride value or read thumb_size from registry
+            image sizes must fit to value in allowed image sizes
+            none will suppress thumb!
+        '''
+        if getattr(self.data,'no_thumbs',False):
+            #individual setting overrides ...
+            return 'none'
+        thsize=getattr(self.data,'ov_thumbsize','')
+        if thsize > ' ':
+            return thsize
+        registry = getUtility(IRegistry)
+        settings = registry.forInterface(
+            ISiteSchema, prefix="plone", check=False)
+        if settings.no_thumbs_portlet:
+            return 'none'         
+        thumb_size_portlet = settings.thumb_size_portlet
+        return thumb_size_portlet
+
+    def update(self):
+        pass
 
+    def render(self):
+        return self._template()
+    
 class AddForm(base.AddForm):
     schema = INavigationPortlet
     label = _(u"Add Navigation Portlet")
diff --git a/plone/app/portlets/portlets/navigation_recurse.pt b/plone/app/portlets/portlets/navigation_recurse.pt
index 1768ebb9..ed6c727b 100644
--- a/plone/app/portlets/portlets/navigation_recurse.pt
+++ b/plone/app/portlets/portlets/navigation_recurse.pt
@@ -1,6 +1,10 @@
 <tal:master define="level options/level | python:0;
                     children options/children | nothing;
-                    bottomLevel options/bottomLevel | nothing"
+                    bottomLevel options/bottomLevel | nothing;
+                    supress_icon    view/data/no_icons;
+                    supress_thumb   view/data/no_thumbs;
+                    thumb_size python:view.thumb_size();
+                    thumb_class python:'pull-right image-'+thumb_size "
             i18n:domain="plone">
 
 <metal:main define-macro="nav_main">
@@ -12,27 +16,28 @@
                 use_remote_url  node/useRemoteUrl | nothing;
                 item_type       node/portal_type;
                 has_thumb       node/item/getIcon;
-                thumb_url       string:${node/item/getURL}/@@images/image/icon;
+                thumb_url       string:${node/item/getURL}/@@images/image/${view/thumb_size};
                 is_current      node/currentItem;
                 is_in_path      node/currentParent;
                 li_class        python:' navTreeCurrentNode' if is_current else '';
                 li_extr_class   python:' navTreeItemInPath' if is_in_path else '';
                 li_folder_class python:' navTreeFolderish' if show_children else '';
-                normalizeString nocall: context/plone_utils/normalizeString"
+                normalizeString nocall: context/plone_utils/normalizeString;"
     tal:condition="python:bottomLevel &lt;= 0 or level &lt;= bottomLevel"
     tal:attributes="class string:navTreeItem visualNoMarker${li_class}${li_extr_class}${li_folder_class} section-${node/normalized_id}">
 
     <tal:level define="item_class string:state-${node/normalized_review_state};
-                       item_type_class python:'contenttype-%s' % normalizeString(item_type);
+                       item_type_class python:'contenttype-%s' % normalizeString(item_type) if not supress_icon else '';
                        item_class python:'%s navTreeCurrentItem' % item_class if is_current else item_class">
 
         <a tal:attributes="href  python:item_remote_url if use_remote_url else item_url;
                            title node/Description;
                            class string:${item_class}${li_class}${li_extr_class}${li_folder_class} ${item_type_class}">
-            <img class="image-icon"
-                tal:condition="has_thumb"
+            <img 
+                tal:condition="python:has_thumb and ( thumb_size !='none' )"
                 tal:attributes="src thumb_url;
-                                alt node/Description">
+                                alt node/Description;
+                                class thumb_class">
             <span tal:replace="node/Title">Selected Item Title</span>
         </a>
 
diff --git a/plone/app/portlets/portlets/news.pt b/plone/app/portlets/portlets/news.pt
index 4d62e1fe..51f5d465 100644
--- a/plone/app/portlets/portlets/news.pt
+++ b/plone/app/portlets/portlets/news.pt
@@ -13,23 +13,28 @@
            tal:attributes="href all_news_link"
            i18n:translate="box_news">News</a>
   </header>
-  <div class="portletContent">
+  <div 
+      tal:define="thumb_size python:view.thumb_size();
+                  supress_thumb   view/data/no_thumbs;"
+       class="portletContent">
     <ul>
       <tal:newsitems  tal:define="toLocalizedTime nocall:context/@@plone/toLocalizedTime;
-                                  plone_layout context/@@plone_layout"
+                                  plone_layout context/@@plone_layout;
+                                  "
                       tal:repeat="obj view/published_news_items">
       <li tal:define="oddrow repeat/obj/odd;"
           tal:attributes="class python:oddrow and 'portletItem even' or 'portletItem odd'">
-
         <a  href=""
             class="tile"
             tal:attributes="href obj/getURL;
                              title obj/Description">
-            <img class="image-icon"
-               tal:define="getIcon python:obj.getURL()+'/@@images/image/icon'"
-               tal:condition="python:  obj.getIcon"
+            <img 
+               tal:define="thumb_url string:${obj/getURL}/@@images/image/${view/thumb_size};
+                           "
+               tal:condition="python:obj.getIcon and (view.thumb_size()!='none')"
                tal:attributes="href obj/getURL;
-                               src  string:$getIcon">
+                               src  string:$thumb_url;
+                               class python:'image-'+thumb_size + ' pull-right'">
            <span tal:replace="obj/pretty_title_or_id">
              Plone 5.1 announced!
            </span>
diff --git a/plone/app/portlets/portlets/news.py b/plone/app/portlets/portlets/news.py
index f7c86a7d..82882af1 100644
--- a/plone/app/portlets/portlets/news.py
+++ b/plone/app/portlets/portlets/news.py
@@ -9,9 +9,12 @@
 from plone.memoize import ram
 from plone.memoize.instance import memoize
 from plone.portlets.interfaces import IPortletDataProvider
+from plone.registry.interfaces import IRegistry
 from Products.CMFCore.utils import getToolByName
+from Products.CMFPlone.interfaces import ISiteSchema
 from Products.Five.browser.pagetemplatefile import ViewPageTemplateFile
 from zope.component import getMultiAdapter
+from zope.component import getUtility
 from zope import schema
 from zope.interface import implementer
 
@@ -34,14 +37,32 @@ class INewsPortlet(IPortletDataProvider):
             vocabulary="plone.app.vocabularies.WorkflowStates")
         )
 
-
+    ov_thumbsize = schema.TextLine(
+        title=_(u"Override thumb size "),
+        description=_(u"<br><ul><li> Enter a valid scale name"
+             u"(see 'Image Handling' control panel) to override"
+             u" e.g. icon, tile, thumb, mini, preview, ... )  </li>"
+             u"<li>leave empty to use default "
+             u"(see 'Site' control panel)</li></ul>"),
+        required=False,
+        default=u'')
+
+    no_thumbs = schema.Bool(
+        title=_(u"Suppress thumbs "),
+        description=_(
+            u"If enabled, the portlet will not show thumbs"),
+        required=True,
+        default=False)
+    
 @implementer(INewsPortlet)
 class Assignment(base.Assignment):
 
-    def __init__(self, count=5, state=('published', )):
+    def __init__(self, count=5, state=('published',),
+                 ov_thumbsize = '', no_thumbs = False):
         self.count = count
         self.state = state
-
+        self.ov_thumbsize = ov_thumbsize
+        self.no_thumbs = no_thumbs
     @property
     def title(self):
         return _(u"News")
@@ -89,7 +110,25 @@ def _data(self):
                        sort_on='Date',
                        sort_order='reverse',
                        sort_limit=limit)[:limit]
-
+    
+    def thumb_size(self):
+        ''' use  overrride value or read thumb_size from registry
+            image sizes must fit to value in allowed image sizes
+            none will suppress thumb!
+        '''
+        if getattr(self.data,'no_thumbs',False):
+            #individual setting overrides ...
+            return 'none'
+        thsize=getattr(self.data,'ov_thumbsize','')
+        if thsize > ' ':
+            return thsize
+        registry = getUtility(IRegistry)
+        settings = registry.forInterface(
+            ISiteSchema, prefix="plone", check=False)
+        if settings.no_thumbs_portlet:
+            return 'none' 
+        thumb_size_portlet = settings.thumb_size_portlet
+        return thumb_size_portlet
 
 class AddForm(base.AddForm):
     schema = INewsPortlet
diff --git a/plone/app/portlets/portlets/recent.pt b/plone/app/portlets/portlets/recent.pt
index e5ad74d9..6a4f12fc 100644
--- a/plone/app/portlets/portlets/recent.pt
+++ b/plone/app/portlets/portlets/recent.pt
@@ -12,7 +12,11 @@
             tal:content="view/title" />
     </header>
     <div class="portletContent"
-        tal:condition="view/recent_items">
+        tal:condition="view/recent_items"
+        tal:define="supress_icon    view/data/no_icons;
+                    supress_thumb   view/data/no_thumbs;
+                    thumb_size python:view.thumb_size();
+                    thumb_class python:'pull-right image-'+thumb_size ">
       <ul>
         <tal:items tal:define="plone_view context/@@plone;
                            normalizeString nocall:plone_view/normalizeString;
@@ -23,17 +27,17 @@
             tal:define="oddrow repeat/obj/odd;
                         item_wf_state obj/review_state;
                         item_wf_state_class python:'state-' + normalizeString(item_wf_state);
-                        item_class python:'contenttype-' + normalizeString(obj.portal_type);"
+                        item_class python:'contenttype-' + normalizeString(obj.portal_type) if not supress_icon else '';"
             tal:attributes="class python:oddrow and  'portletItem even' or 'portletItem odd'">
             <a href=""
                 tal:attributes="href string:${obj/getURL}/view;
                                 title obj/Description;
                                 class string:$item_wf_state_class tile $item_class">
-                  <img class="image-icon"
-                    tal:define="getIcon python:obj.getURL()+'/@@images/image/icon'"
-                    tal:condition="python:  obj.getIcon"
+                  <img tal:define="thumb_url  python:obj.getURL()+'/@@images/image/' + thumb_size"
+                    tal:condition="python:obj.getIcon and (thumb_size !='none' )"
                     tal:attributes="href obj/getURL;
-                              src  string:$getIcon">
+                              src thumb_url;
+                              class thumb_class">
                   <span tal:content="obj/pretty_title_or_id">
                      Title
                  </span>
diff --git a/plone/app/portlets/portlets/recent.py b/plone/app/portlets/portlets/recent.py
index 7de26563..f406335c 100644
--- a/plone/app/portlets/portlets/recent.py
+++ b/plone/app/portlets/portlets/recent.py
@@ -6,9 +6,12 @@
 from plone.memoize.compress import xhtml_compress
 from plone.memoize.instance import memoize
 from plone.portlets.interfaces import IPortletDataProvider
+from plone.registry.interfaces import IRegistry
+from Products.CMFPlone.interfaces.controlpanel import ISiteSchema
 from Products.Five.browser.pagetemplatefile import ViewPageTemplateFile
 from zope import schema
 from zope.component import getMultiAdapter
+from zope.component import getUtility
 from zope.interface import implementer
 
 
@@ -20,13 +23,42 @@ class IRecentPortlet(IPortletDataProvider):
                        default=5,
                        min=1)
 
+    no_icons = schema.Bool(
+        title=_(u"Suppress Icons "),
+        description=_(
+            u"If enabled, the portlet will not show document type icons"),
+        required=True,
+        default=False)
+
+    ov_thumbsize = schema.TextLine(
+        title=_(u"Override thumb size "),
+        description=_(u"<br><ul><li> Enter a valid scale name"
+             u"(see 'Image Handling' control panel) to override"
+             u" e.g. icon, tile, thumb, mini, preview, ... )  </li>"
+             u"<li>leave empty to use default "
+             u"(see 'Site' control panel)</li></ul>"),
+        required=False,
+        default=u'')
+    
+    no_thumbs = schema.Bool(
+        title=_(u"Suppress thumbs "),
+        description=_(
+            u"If enabled, the portlet will not show thumbs"),
+        required=True,
+        default=False)
 
 @implementer(IRecentPortlet)
 class Assignment(base.Assignment):
+    no_icons = False
+    ov_thumbsize = ''
 
-    def __init__(self, count=5):
+    def __init__(self, count=5, no_icons=False,
+                ov_thumbsize=u'', no_thumbs=False):
         self.count = count
-
+        self.no_icons = no_icons
+        self.ov_thumbsize = ov_thumbsize
+        self.no_thumbs = no_thumbs
+        
     @property
     def title(self):
         return _(u"Recent items")
@@ -58,7 +90,7 @@ def __init__(self, *args):
             (context, self.request), name='plone_tools')
         self.catalog = plone_tools.catalog()
 
-    @ram.cache(_render_cachekey)
+    ram.cache(_render_cachekey)
     def render(self):
         return xhtml_compress(self._template())
 
@@ -82,6 +114,23 @@ def _data(self):
                             sort_order='reverse',
                             sort_limit=limit)[:limit]
 
+    @memoize
+    def thumb_size(self):
+        ''' use  overrride value or read thumb_size from registry
+            image sizes must fit to value in allowed image sizes
+            none from both sources will suppress thumb!
+        '''
+        if getattr(self.data,'no_thumbs',False):
+            #individual setting overrides ...
+            return 'none'
+        thsize=getattr(self.data,'ov_thumbsize','')
+        if thsize > ' ':
+            return thsize
+        registry = getUtility(IRegistry)
+        settings = registry.forInterface(
+            ISiteSchema, prefix="plone", check=False)
+        thumb_size_portlet = settings.thumb_size_portlet
+        return thumb_size_portlet
 
 class AddForm(base.AddForm):
     schema = IRecentPortlet
diff --git a/plone/app/portlets/portlets/review.pt b/plone/app/portlets/portlets/review.pt
index b5fe4bcf..4d9dc7ac 100644
--- a/plone/app/portlets/portlets/review.pt
+++ b/plone/app/portlets/portlets/review.pt
@@ -14,24 +14,28 @@
            i18n:translate=""
            tal:content="view/title" />
   </header>
-  <div class="portletContent">
+  <div class="portletContent"
+       tal:define="supress_icon    view/data/no_icons;
+                   supress_thumb   view/data/no_thumbs;
+                   thumb_size python:view.thumb_size();
+                   thumb_class python:'pull-right image-'+thumb_size ">
     <ul>
       <tal:items tal:repeat="o view/review_items">
           <li class="portletItem"
               tal:define="oddrow repeat/o/odd;
                           review_state_class o/review_state_class;
-                          item_class o/item_class;"
+                          item_class python: o['item_class'] if not supress_icon else '';"
               tal:attributes="class python:oddrow and 'portletItem even' or 'portletItem odd'">
 
               <a href="#"
                  tal:attributes="href string:${o/path}/view;
                                  title o/description;
                                  class string:$review_state_class tile $item_class">
-      	            <img class="image-icon"
-                  tal:define="getIcon string:${o/path}/@@images/image/icon"
-                  tal:condition="o/hasImage"
-                  tal:attributes="href string:${o/path}/view;
-                               src  string:$getIcon">
+                    <img tal:define="thumb_url string:${o/path}/@@images/image/${thumb_size}"
+                    tal:condition="python:o['hasImage'] and (thumb_size !='none' )"
+                    tal:attributes="href string:${o/path}/view;
+                              src thumb_url;
+                              class thumb_class">
                   <span tal:replace="o/title">
                       Title
                   </span>
diff --git a/plone/app/portlets/portlets/review.py b/plone/app/portlets/portlets/review.py
index 9591e4ca..9bc415ad 100644
--- a/plone/app/portlets/portlets/review.py
+++ b/plone/app/portlets/portlets/review.py
@@ -1,33 +1,71 @@
 from Acquisition import aq_inner
 from plone.app.portlets import PloneMessageFactory as _
+from plone.app.portlets.browser import formhelper
 from plone.app.portlets.portlets import base
 from plone.i18n.normalizer.interfaces import IIDNormalizer
 from plone.memoize.instance import memoize
 from plone.portlets.interfaces import IPortletDataProvider
+from plone.registry.interfaces import IRegistry
 from Products.CMFCore.utils import getToolByName
+from Products.CMFPlone.interfaces.controlpanel import ISiteSchema
 from Products.Five.browser.pagetemplatefile import ViewPageTemplateFile
+from zope import schema
 from zope.component import getMultiAdapter
 from zope.component import queryUtility
+from zope.component import getUtility
 from zope.interface import implementer
-
+from zope.interface import Interface
 
 class IReviewPortlet(IPortletDataProvider):
-    pass
-
 
+    no_icons = schema.Bool(
+        title=_(u"Suppress Icons "),
+        description=_(
+            u"If enabled, the portlet will not show document type icons"),
+        required=True,
+        default=False)
+
+    ov_thumbsize = schema.TextLine(
+        title=_(u"Override thumb size "),
+        description=_(u"<br><ul><li> Enter a valid scale name"
+             u"(see 'Image Handling' control panel) to override"
+             u" e.g. icon, tile, thumb, mini, preview, ... )  </li>"
+             u"<li>leave empty to use default "
+             u"(see 'Site' control panel)</li></ul>"),
+        required=False,
+        default=u'')
+
+    no_thumbs = schema.Bool(
+        title=_(u"Suppress thumbs "),
+        description=_(
+            u"If enabled, the portlet will not show thumbs"),
+        required=True,
+        default=False)
+    
 @implementer(IReviewPortlet)
 class Assignment(base.Assignment):
+    no_icons = False
+    ov_thumbsize = ''
+    no_thumbs = False
+
+    def __init__(self,  no_icons=False,
+                 ov_thumbsize=u'', no_thumbs=False):
+        self.no_icons = no_icons
+        self.ov_thumbsize = ov_thumbsize
+        self.no_thumbs = no_thumbs
 
     @property
     def title(self):
         return _(u"Review list")
 
-
 class Renderer(base.Renderer):
 
     render = ViewPageTemplateFile('review.pt')
 
     title = _('box_review_list', default=u"Review List")
+    
+    def __init__(self, *args):
+        base.Renderer.__init__(self, *args)
 
     @property
     def anonymous(self):
@@ -88,13 +126,37 @@ def _data(self):
                 hasImage = hasImage,                    
             ))
         return items
-
-
-class AddForm(base.NullAddForm):
+    
+    @memoize
+    def thumb_size(self):
+        ''' use  overrride value or read thumb_size from registry
+            image sizes must fit to value in allowed image sizes
+            none from both sources will suppress thumb!
+        '''
+        if getattr(self.data,'no_thumbs',False):
+            #individual setting overrides ...
+            return 'none'
+        thsize=getattr(self.data,'ov_thumbsize','')
+        if thsize > ' ':
+            return thsize
+        registry = getUtility(IRegistry)
+        settings = registry.forInterface(
+            ISiteSchema, prefix="plone", check=False)
+        thumb_size_portlet = settings.thumb_size_portlet
+        return thumb_size_portlet
+
+class AddForm(formhelper.AddForm):
     schema = IReviewPortlet
     label = _(u"Add Review Portlet")
     description = _(u"This portlet displays a queue of documents awaiting "
                     u"review.")
 
-    def create(self):
-        return Assignment()
+    def create(self, data):
+        return Assignment(**data)
+    
+class EditForm(formhelper.EditForm):
+    schema = IReviewPortlet
+    label = _(u"Edit Review Portlet")
+    description = _(u"displays a queue of documents awaiting "
+                    u"review.")
+