Bootstrap3: captioned thumbnail image

gistfile1.txt

        <!--captioned thumbnail image-->
        <div class="col-md-4 col-sm-6">
          <div class="thumbnail">
          <a href="#" class="thumbnail">
            <img src="images/cloud-party-images/vlcsnap-2013-09-29-23h31m11s213.png" alt="1" class="img-responsive" /></a>
            <div class="caption">
              <h3>Image 1</h3>
              <p>This is an image</p>
            </div>
          </div>
        </div>