diff --git a/app/assets/images/learning-object-preview.png b/app/assets/images/learning-object-preview.png
new file mode 100644
index 0000000000000000000000000000000000000000..4b52e2eb2c0448bbbc602e0d4d7e42ba7909bd94
Binary files /dev/null and b/app/assets/images/learning-object-preview.png differ
diff --git a/app/assets/stylesheets/application/learning_objects.scss b/app/assets/stylesheets/application/learning_objects.scss
index a6f41d91f917ac7d78321d57085f7e4e3e2b7a3f..3fba1f7f108ccb8ddab0ac990eb39db2c5b7fab2 100644
--- a/app/assets/stylesheets/application/learning_objects.scss
+++ b/app/assets/stylesheets/application/learning_objects.scss
@@ -13,8 +13,8 @@
   }
 
   .learning-object-thumbnail {
-    width: 250px;
-    height: 150px;
+    min-width: 250px;
+    height: 141px;
     position: relative;
 
     .learning-object-actions {
@@ -23,5 +23,4 @@
       right: 5px;
     }
   }
-
-}
\ No newline at end of file
+}
diff --git a/app/views/learning_objects/_learning_object_horizontal.erb b/app/views/learning_objects/_learning_object_horizontal.erb
index d8b8c42b6069d996a8f514b4aa01c8a5f08de20f..da7846d43e95feca1aaad447a48b8b032fd2299f 100644
--- a/app/views/learning_objects/_learning_object_horizontal.erb
+++ b/app/views/learning_objects/_learning_object_horizontal.erb
@@ -1,12 +1,16 @@
+<% link = learning_object_path(id: learning_object.id) %>
 <div class="learning-object-horizontal">
   <div class="media">
     <div class="media-left media-middle">
       <div class="learning-object-thumbnail">
-        <a href="#">
-          <img src="http://dummyimage.com/250x150/363336/fff" alt='dummy image'>
+        <a href="<%= link %>">
+          <% if learning_object.thumbnail == "thumbnai" %>
+            <%= image_tag('learning-object-preview.png') %>
+          <% else %>
+            <img src="<%= learning_object.thumbnail %>" alt="Prévia do objeto">
+          <% end %>
+          <%= render 'learning_objects/actions_buttons' %>
         </a>
-
-        <%= render 'learning_objects/actions_buttons' %>
       </div>
     </div>
     <div class="media-body">