Código HTML:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Home</title>
<link href="css/sections.css" rel="stylesheet" type="text/css" />
<link rel="stylesheet" href="css/prettyPhoto.css" type="text/css" media="screen" title="prettyPhoto main stylesheet" charset="utf-8" />
<script src="js/js_lightbox/jquery-1.4.4.min.js" type="text/javascript"></script>
<script src="js/js_lightbox/jquery.prettyPhoto.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript" charset="utf-8">
$(document).ready(function(){
$("a[rel^='prettyPhoto']").prettyPhoto();
});
</script>
</head>
<body>
<div id="main_section"><div id="bkg_section"><span class="titleSECTION">Merchandising</span></div>
<br />
<div id="content_section"><a href="img/ima_sleeves/big01.jpg" rel="prettyPhoto[mixed]"><img title="CLIK" src="img/ima_sleeves/1.gif" width="125" height="125" alt="CLICK" /></a><a href="img/ima_sleeves/big02.jpg" rel="prettyPhoto[mixed]"><img title="CLIK" src="img/ima_sleeves/2.gif" width="125" height="125" alt="CLICK" /></a><a href="img/ima_sleeves/big03.jpg" rel="prettyPhoto[mixed]"><img title="CLIK" src="img/ima_sleeves/3.gif" width="125" height="125" alt="CLICK" /></a><a href="img/ima_sleeves/big01.jpg" rel="prettyPhoto[mixed]"><img title="CLIK" src="img/ima_sleeves/1.gif" width="125" height="125" alt="CLICK" /></a></div></div>
</body>
</html> Espero que ahora puedas ayudarme.
Gracias
:)