diff --git a/README.rst b/README.rst
index f60b9acd..1ff87ec1 100644
--- a/README.rst
+++ b/README.rst
@@ -182,7 +182,9 @@ Or latest stable version from BitBucket:
 
 (2) Add `fobi` to ``INSTALLED_APPS`` of the your projects' Django settings.
     Furthermore, all themes and plugins to be used, shall be added to the
-    ``INSTALLED_APPS`` as well.
+    ``INSTALLED_APPS`` as well. Note, that if a plugin has additional
+    dependencies, you should be mentioning those in the ``INSTALLED_APPS``
+    as well.
 
 .. code-block:: python
 
@@ -215,6 +217,7 @@ Or latest stable version from BitBucket:
 
         # Fobi form elements - content elements
         'fobi.contrib.plugins.form_elements.test.dummy',
+        'easy_thumbnails', # Required by `content_image` plugin
         'fobi.contrib.plugins.form_elements.content.content_image',
         'fobi.contrib.plugins.form_elements.content.content_text',
         'fobi.contrib.plugins.form_elements.content.content_video',
@@ -229,6 +232,8 @@ Or latest stable version from BitBucket:
         # ...
     )
 
+
+
 (3) Make appropriate changes to the ``TEMPLATE_CONTEXT_PROCESSORS`` of the your
     projects' Django settings.
 
diff --git a/docs/index.rst b/docs/index.rst
index ae138409..7447c4c1 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -182,7 +182,9 @@ Or latest stable version from BitBucket:
 
 (2) Add `fobi` to ``INSTALLED_APPS`` of the your projects' Django settings.
     Furthermore, all themes and plugins to be used, shall be added to the
-    ``INSTALLED_APPS`` as well.
+    ``INSTALLED_APPS`` as well. Note, that if a plugin has additional
+    dependencies, you should be mentioning those in the ``INSTALLED_APPS``
+    as well.
 
 .. code-block:: python
 
@@ -215,6 +217,7 @@ Or latest stable version from BitBucket:
 
         # Fobi form elements - content elements
         'fobi.contrib.plugins.form_elements.test.dummy',
+        'easy_thumbnails', # Required by `content_image` plugin
         'fobi.contrib.plugins.form_elements.content.content_image',
         'fobi.contrib.plugins.form_elements.content.content_text',
         'fobi.contrib.plugins.form_elements.content.content_video',
@@ -229,6 +232,8 @@ Or latest stable version from BitBucket:
         # ...
     )
 
+
+
 (3) Make appropriate changes to the ``TEMPLATE_CONTEXT_PROCESSORS`` of the your
     projects' Django settings.
 
diff --git a/src/fobi/contrib/plugins/form_elements/content/content_image/README.rst b/src/fobi/contrib/plugins/form_elements/content/content_image/README.rst
index c3fe3139..f18e4312 100644
--- a/src/fobi/contrib/plugins/form_elements/content/content_image/README.rst
+++ b/src/fobi/contrib/plugins/form_elements/content/content_image/README.rst
@@ -12,6 +12,7 @@ Installation
 
     INSTALLED_APPS = (
         # ...
+        'easy_thumbnails',
         'fobi.contrib.plugins.form_elements.content.content_image',
         # ...
     )