<script src="http://code.jquery.com/jquery-x.x.x.min.js"></script>
<script src="jquery.poptrox.min.js"></script>

<div id="gallery">
	<a href="path/to/image1.jpg"><img src="path/to/image1_thumbnail.jpg" /></a>
	<a href="path/to/image2.jpg"><img src="path/to/image2_thumbnail.jpg" /></a>
	<a href="path/to/image3.jpg"><img src="path/to/image3_thumbnail.jpg" /></a>
	<a href="path/to/image4.jpg"><img src="path/to/image4_thumbnail.jpg" /></a>
	<a href="path/to/image5.jpg"><img src="path/to/image5_thumbnail.jpg" /></a>
	<a href="path/to/image6.jpg"><img src="path/to/image6_thumbnail.jpg" /></a>
</div>

var foo = $('#gallery');
foo.poptrox();