The following code shows how to create three thumbnails.
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css"
href="http://netdna.bootstrapcdn.com/bootstrap/3.0.0-rc1/css/bootstrap.min.css">
</head><!--from w w w . ja va 2 s .c o m-->
<body>
<div class="container">
<ul class="list-inline list-unstyled row">
<li class="col-lg-4">
<div class="thumbnail">
<img src="http://placehold.it/350x150" alt="">
<div class="caption">
<a class="delete">X</a>
<h3>
<a class="video_item">Howdy</a>
</h3>
</div>
</div>
</li>
<li class="col-lg-4">
<div class="thumbnail">
<img src="http://placehold.it/350x150" alt="">
<div class="caption">
<a class="delete">X</a>
<h3>
<a class="video_item">Howdy</a>
</h3>
</div>
</div>
</li>
<li class="col-lg-4">
<div class="thumbnail">
<img src="http://placehold.it/350x150" alt="">
<div class="caption">
<a class="delete">X</a>
<h3>
<a class="video_item">Howdy</a>
</h3>
</div>
</div>
</li>
</ul>
</div>
</body>
</html>