gallery.html

 <div class="row">
        <div class="col-md-4">
            <div class="thumbnail">
                <img src="/some/img.png" class="img-responsive" alt="a cat">
                <div class="caption">
                    <h3>A name</h3>
                    <span>Upload Time: Blah</span>
                </div>
            </div>
        </div>

        <!-- 2 more col-md-4 -->
  </div>