diff --git a/app/forms/hyrax/oer_form.rb b/app/forms/hyrax/oer_form.rb
index 458c6b363..c48fb3cb8 100644
--- a/app/forms/hyrax/oer_form.rb
+++ b/app/forms/hyrax/oer_form.rb
@@ -22,6 +22,7 @@ class OerForm < Hyrax::Forms::WorkForm
                               discipline rights_statement]
 
     delegate :related_members_attributes=, :previous_version, :newer_version, :alternate_version, :related_item, to: :model
+    include VideoEmbedFormBehavior
 
     def secondary_terms
       super - [:rendering_ids]
diff --git a/app/forms/video_embed_form_behavior.rb b/app/forms/video_embed_form_behavior.rb
index 093b61ae8..35aa0cd55 100644
--- a/app/forms/video_embed_form_behavior.rb
+++ b/app/forms/video_embed_form_behavior.rb
@@ -7,7 +7,7 @@ module VideoEmbedFormBehavior
     self.terms += %i[video_embed]
   end
 
-  def secondary_terms
+  def primary_terms
     super + %i[video_embed]
   end
 end
diff --git a/app/models/concerns/video_embed_behavior.rb b/app/models/concerns/video_embed_behavior.rb
index 8fb84b650..27848fc76 100644
--- a/app/models/concerns/video_embed_behavior.rb
+++ b/app/models/concerns/video_embed_behavior.rb
@@ -6,8 +6,10 @@ module VideoEmbedBehavior
   included do
     validates :video_embed,
               format: {
-                with: /(http:\/\/|https:\/\/)(www\.)?(player\.vimeo\.com|youtube\.com\/embed)/,
-                message: "Error: must be a valid YouTube or Vimeo Embed URL."
+                with: %r{(http://|https://)(www\.)?(player\.vimeo\.com|youtube\.com/embed)},
+                message: lambda do |_object, _data|
+                  I18n.t('errors.messages.valid_embed_url', default: 'must be a valid YouTube or Vimeo Embed URL.')
+                end
               },
               if: :video_embed?
 
diff --git a/app/models/oer.rb b/app/models/oer.rb
index 874bf0a84..19ed59963 100644
--- a/app/models/oer.rb
+++ b/app/models/oer.rb
@@ -12,6 +12,7 @@ class Oer < ActiveFedora::Base
     pdf_splitter_service: IiifPrint::TenantConfig::PdfSplitter
   )
   include PdfBehavior
+  include VideoEmbedBehavior
 
   self.indexer = OerIndexer
   # Change this to restrict which works can be added as a child.
diff --git a/app/views/themes/cultural_show/hyrax/base/show.html.erb b/app/views/themes/cultural_show/hyrax/base/show.html.erb
index 83c869d5d..8c9133f90 100644
--- a/app/views/themes/cultural_show/hyrax/base/show.html.erb
+++ b/app/views/themes/cultural_show/hyrax/base/show.html.erb
@@ -21,7 +21,7 @@
               <div class="col-sm-12 centered-media">
                 <%= render 'representative_media', presenter: @presenter, viewer: true %>
               </div>
-            <% elsif @presenter.pdf_viewer? %>
+            <% elsif @presenter.show_pdf_viewer? %>
               <div class="col-sm-12">
                 <%= render 'pdf_js', file_set_presenter: pdf_file_set_presenter(@presenter) %>
               </div>
diff --git a/app/views/themes/scholarly_show/hyrax/base/show.html.erb b/app/views/themes/scholarly_show/hyrax/base/show.html.erb
index 4a0d4db30..13924621a 100644
--- a/app/views/themes/scholarly_show/hyrax/base/show.html.erb
+++ b/app/views/themes/scholarly_show/hyrax/base/show.html.erb
@@ -32,7 +32,7 @@
                 <% render 'work_description', presenter: @presenter %>
               </div>
             </div>
-          <% elsif @presenter.pdf_viewer? %>
+          <% elsif @presenter.show_pdf_viewer? %>
             <div class="col-sm-12">
               <%= render 'pdf_js', file_set_presenter: pdf_file_set_presenter(@presenter) %>
             </div>
diff --git a/config/locales/de.yml b/config/locales/de.yml
index 0a15ba9e6..f0386db1f 100644
--- a/config/locales/de.yml
+++ b/config/locales/de.yml
@@ -1,5 +1,8 @@
 ---
 de:
+  errors:
+    messages:
+      valid_embed_url: "muss eine gültige YouTube- oder Vimeo-Einbettungs-URL sein."
   activefedora:
     models:
       cdl: CDL
diff --git a/config/locales/en.yml b/config/locales/en.yml
index e684f7fa5..3b2af2869 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -1,5 +1,8 @@
 ---
 en:
+  errors:
+    messages:
+      valid_embed_url: "must be a valid YouTube or Vimeo Embed URL."
   single_signon:
    index:
      sign_in_with_provider: Sign in with %{provider}
diff --git a/config/locales/es.yml b/config/locales/es.yml
index d3d377e49..ba7e846c8 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -1,5 +1,8 @@
 ---
 es:
+  errors:
+    messages:
+      valid_embed_url: "debe ser una URL de incrustación válida de YouTube o Vimeo."
   activefedora:
     models:
       cdl: CDL
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 0811701bf..048f0267c 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -1,5 +1,8 @@
 ---
 fr:
+  errors:
+    messages:
+      valid_embed_url: "doit être une URL d'incorporation valide de YouTube ou Vimeo."
   activefedora:
     models:
       cdl: CDL
diff --git a/config/locales/it.yml b/config/locales/it.yml
index 37a1fda58..dce49a5af 100644
--- a/config/locales/it.yml
+++ b/config/locales/it.yml
@@ -1,5 +1,8 @@
 ---
 it:
+  errors:
+    messages:
+      valid_embed_url: "deve essere un URL di incorporamento valido di YouTube o Vimeo."
   activefedora:
     models:
       cdl: CDL
diff --git a/config/locales/pt-BR.yml b/config/locales/pt-BR.yml
index e6431457c..c48edf227 100644
--- a/config/locales/pt-BR.yml
+++ b/config/locales/pt-BR.yml
@@ -1,5 +1,8 @@
 ---
 pt-BR:
+  errors:
+    messages:
+      valid_embed_url: "deve ser uma URL de incorporação válida do YouTube ou Vimeo."
   activefedora:
     models:
       cdl: CDL
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index 05571d4ac..b4805eae4 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -1,5 +1,8 @@
 ---
 zh:
+  errors:
+    messages:
+      valid_embed_url: "必须是有效的YouTube或Vimeo嵌入URL。"
   activefedora:
     models:
       cdl: CDL