gistfile1.txt

  <% @videos.in_groups_of(3) do |video_group| %>
  <div class="row">
    <% video_group.each do |video| %>
    <% if video != nil %>    
    <div class="span4">
      <%= link_to video do %>
        <img class="thumbnail" src="http://placehold.it/210x150" />
      <% end %>      
      <h5><%= video.title rescue "No title" %></h5>
    </div>
    <% end %>
    <% end %>
  </div>
  <% end %>