diff --git a/CHANGES.rst b/CHANGES.rst
index cab0cfe..26ab697 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -10,7 +10,7 @@ Breaking changes:
 
 New features:
 
-- *add item here*
+- option to override thumb /icon behavior individually for portlet (suppress thumbs, thumb size, suppress icons) https://github.com/plone/Products.CMFPlone/issues/1734 (PLIP) [fgrcon]
 
 Bug fixes:
 
diff --git a/plone/portlet/collection/collection.pt b/plone/portlet/collection/collection.pt
index 42d29f8..d5ec26e 100644
--- a/plone/portlet/collection/collection.pt
+++ b/plone/portlet/collection/collection.pt
@@ -23,15 +23,17 @@
                     item_wf_state obj/review_state;
                     item_wf_state_class python:'state-' + plone_view.normalizeString(item_wf_state);
                     item_type obj/portal_type;
-                    item_type_class python:'contenttype-' + plone_view.normalizeString(item_type);"
+                    supress_icon    view/data/no_icons;
+                    supress_thumb   view/data/no_thumbs;
+                    item_type_class python:('contenttype-' + plone_view.normalizeString(item_type)) if not supress_icon else ''"
         tal:attributes="class python:oddrow and 'portletItem even' or 'portletItem odd'">
         <a href="#"
            tal:attributes="href itemUrl;
                            class  string:tile $item_type_class $item_wf_state_class;
                            title obj/Description">
             <img class="image-icon"
-               tal:define="thumb python:obj.getURL()+'/@@images/image/icon'"
-               tal:condition=" obj/getIcon"
+               tal:condition="python:obj.getIcon and (view.thumb_size()!='none') and  (not supress_thumb)" 
+               tal:define="thumb python:obj.getURL()+'/@@images/image/' + view.thumb_size()"
                tal:attributes="href obj/getURL;
                                src  string:$thumb;">
             <span tal:replace="obj/Title">
diff --git a/plone/portlet/collection/collection.py b/plone/portlet/collection/collection.py
index 78813ff..6e5a8ef 100644
--- a/plone/portlet/collection/collection.py
+++ b/plone/portlet/collection/collection.py
@@ -8,7 +8,9 @@
 from plone.memoize.instance import memoize
 from plone.portlet.collection import PloneMessageFactory as _
 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 zExceptions import NotFound
 from zope import schema
@@ -83,6 +85,27 @@ class ICollectionPortlet(IPortletDataProvider):
         required=True,
         default=True)
 
+    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 (see 'Image Handling' control panel) to override"
+                      u" e.g. icon, tile, thumb, mini, preview, ... ,  </li>"
+                      u"<li>leave empty to use default (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(ICollectionPortlet)
 class Assignment(base.Assignment):
@@ -91,20 +114,22 @@ class Assignment(base.Assignment):
     This is what is actually managed through the portlets UI and associated
     with columns.
     """
-
     header = u""
     limit = None
     random = False
     show_more = True
     show_dates = False
     exclude_context = False
-
+    no_icons = False
+    no_thumbs = False
+    ov_thumbsize = ''
     # bbb
     target_collection = None
 
     def __init__(self, header=u"", uid=None, limit=None,
                  random=False, show_more=True, show_dates=False,
-                 exclude_context=True):
+                 exclude_context=True, no_icons = False, no_thumbs = False,               
+                 ov_thumbsize = ''):       
         self.header = header
         self.uid = uid
         self.limit = limit
@@ -112,6 +137,9 @@ def __init__(self, header=u"", uid=None, limit=None,
         self.show_more = show_more
         self.show_dates = show_dates
         self.exclude_context = exclude_context
+        self.no_icons = no_icons
+        self.no_thumbs = no_thumbs
+        self.ov_thumbsize = ov_thumbsize
 
     @property
     def title(self):
@@ -135,7 +163,6 @@ def _uid(self):
 
 
 class Renderer(base.Renderer):
-
     _template = ViewPageTemplateFile('collection.pt')
     render = _template
 
@@ -224,6 +251,21 @@ def include_empty_footer(self):
         """
         return True
 
+    @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 self.data.ov_thumbsize > ' ':
+            return  self.data.ov_thumbsize
+        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(formhelper.AddForm):
     schema = ICollectionPortlet