Create  in custom node.tpl
The following should work for you.

      hide($content['field_themes_images']);  
      &lt;div class="theme_slider"&gt;
        &lt;ul&gt;
        &lt;?php
          foreach ($content['field_themes_images']['#items'] as $key =&gt; $img)
          {
            print "&lt;li&gt;";
            print render($content['field_themes_images'][$key]); 
            print "&lt;/li&gt;";
          } 
        ?&gt;
      &lt;/ul&gt;
    &lt;/div&gt;
  &lt;/div&gt;