Sólo tienes que coger el código fuente y ver cómo está hecho.
Aplicándole unas pequeñas modificaciones, puedes eliminar las dos solapas que no querías y hacer que de inicio la galería esté a la vista.
Cita: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="es-es">
<head>
<title>Simulacion tabla</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<style type="text/css">
a {color:#000;}
a:hover {text-decoration:none;}
a:visited {color:#111;}
/* slides styling */
.photo {width:720px; height:600px; background:url(lbox/back.jpg) no-repeat center center; text-align:left; position:relative;}
.photo ul.topic {padding:0; margin:0; list-style:none; width:720px; height:auto; position:relative; z-index:10;}
.photo ul.topic li {display:block; width:240px; height:31px; float:left;}
.photo ul.topic li a.set {display:block; font-size:11px; width:239px; height:30px; text-align:center; line-height:30px; color:#000; text-decoration:none; border:1px solid #fff; border-width:1px 1px 0 0; background:#ccc; font-family:verdana, arial, sans-serif;}
.photo ul.topic li a ul,
.photo ul.topic li ul
{display:block; position:absolute; left:0; top:31px; list-style:none; padding:0; margin:0; height:375px; background:#ddd url(lbox/close.gif) no-repeat right top; width:479px; padding:70px 100px; border:20px solid #aaa;}
.photo ul.topic li a:hover,
.photo ul.topic li:hover a
{color:#fff; background:#aaa;}
.photo ul.topic li a ul li,
.photo ul.topic li ul li
{display:inline; width:112px; height:87px; float:left; border:1px solid #fff; margin:1px;}
.photo ul.topic li a ul li a,
.photo ul.topic li ul li a
{display:block; width:110px; height:85px; cursor:default; float:left; text-decoration:none; background:#444; border:1px solid #888;}
.photo ul.topic li a ul li a img,
.photo ul.topic li ul li a img
{display:block; width:100px; height:75px; border:5px solid #eee;}
.photo ul.topic li a ul li a img.large,
.photo ul.topic li ul li a img.large
{position:absolute; display:block; width:0; height:0; overflow:hidden; border:0;}
.photo ul.topic li a:hover ul li a:hover,
.photo ul.topic li:hover ul li a:hover
{white-space:normal; position:relative;}
.photo ul.topic li a:hover ul li a:hover img,
.photo ul.topic li:hover ul li a:hover img
{position:absolute; left:-50px; top:-32px; width:200px; height:150px; border-color:#fff;}
.photo ul.topic li a:hover ul li a:hover img.large,
.photo ul.topic li:hover ul li a:hover img.large
{position:absolute; display:block; width:0; height:0; overflow:hidden; border:0;}
.photo ul.topic li:hover ul li a:focus,
.photo ul.topic li:hover ul li a:active,
.photo ul.topic li a:hover ul li a:active
{position:static; outline:0;}
.photo ul.topic li:hover ul li a:focus img,
.photo ul.topic li:hover ul li a:active img,
.photo ul.topic li a:hover ul li a:active img
{position:absolute; left:200px; top:170px; width:200px; height:150px; padding:0; background:#000; border:0; z-index:5;}
.photo ul.topic li:hover ul li a:focus img.large,
.photo ul.topic li:hover ul li a:active img.large,
.photo ul.topic li a:hover ul li a:active img.large
{position:absolute; left:15px; top:24px; width:640px; height:480px; padding:0; background:#000; border:4px solid #fff; z-index:10;} </style>
</head>
<body>
<div class="photo">
<ul class="topic">
<li><a class="set" href="#Portraits">Portraits<!--[if gte IE 7]><!--></a><!--<![endif]-->
<!--[if lte IE 6]><table><tr><td><![endif]-->
<ul>
<li><a href="#portrait1"><img src="lbox/portrait1a.jpg" alt="" title="" /><img class="large" src="lbox/portrait1.jpg" alt="" title="" /></a></li>
<li><a href="#portrait2"><img src="lbox/portrait2a.jpg" alt="" title="" /><img class="large" src="lbox/portrait2.jpg" alt="" title="" /></a></li>
<li><a href="#portrait3"><img src="lbox/portrait3a.jpg" alt="" title="" /><img class="large" src="lbox/portrait3.jpg" alt="" title="" /></a></li>
<li><a href="#portrait4"><img src="lbox/portrait4a.jpg" alt="" title="" /><img class="large" src="lbox/portrait4.jpg" alt="" title="" /></a></li>
<li><a href="#portrait5"><img src="lbox/portrait5a.jpg" alt="" title="" /><img class="large" src="lbox/portrait5.jpg" alt="" title="" /></a></li>
<li><a href="#portrait6"><img src="lbox/portrait6a.jpg" alt="" title="" /><img class="large" src="lbox/portrait6.jpg" alt="" title="" /></a></li>
<li><a href="#portrait7"><img src="lbox/portrait7a.jpg" alt="" title="" /><img class="large" src="lbox/portrait7.jpg" alt="" title="" /></a></li>
<li><a href="#portrait8"><img src="lbox/portrait8a.jpg" alt="" title="" /><img class="large" src="lbox/portrait8.jpg" alt="" title="" /></a></li>
<li><a href="#portrait9"><img src="lbox/portrait9a.jpg" alt="" title="" /><img class="large" src="lbox/portrait9.jpg" alt="" title="" /></a></li>
<li><a href="#portrait10"><img src="lbox/portrait10a.jpg" alt="" title="" /><img class="large" src="lbox/portrait10.jpg" alt="" title="" /></a></li>
<li><a href="#portrait11"><img src="lbox/portrait11a.jpg" alt="" title="" /><img class="large" src="lbox/portrait11.jpg" alt="" title="" /></a></li>
<li><a href="#portrait12"><img src="lbox/portrait12a.jpg" alt="" title="" /><img class="large" src="lbox/portrait12.jpg" alt="" title="" /></a></li>
<li><a href="#portrait13"><img src="lbox/portrait13a.jpg" alt="" title="" /><img class="large" src="lbox/portrait13.jpg" alt="" title="" /></a></li>
<li><a href="#portrait14"><img src="lbox/portrait14a.jpg" alt="" title="" /><img class="large" src="lbox/portrait14.jpg" alt="" title="" /></a></li>
<li><a href="#portrait15"><img src="lbox/portrait15a.jpg" alt="" title="" /><img class="large" src="lbox/portrait15.jpg" alt="" title="" /></a></li>
<li><a href="#portrait16"><img src="lbox/portrait16a.jpg" alt="" title="" /><img class="large" src="lbox/portrait16.jpg" alt="" title="" /></a></li>
</ul>
<!--[if lte IE 6]></td></tr></table></a><![endif]-->
</li>
</ul>
<br class="clear" />
</div></body>
</html>
No tengo las fotos, por eso no estoy seguro del todo de si funciona bien.
Recuerda que el autor pide encarecidamente que si vas a usar su codigo, al menos lo cites y mantengas su cabecera del css:
Cita: /* ================================================== ==============
This copyright notice must be untouched at all times.
The original version of this stylesheet and the associated (x)html
is available at
http://www.cssplay.co.uk/menu/lightbox3.html
Copyright (c) 2005-2007 Stu Nicholls. All rights reserved.
This stylesheet and the associated (x)html may be modified in any
way to fit your requirements.
================================================== ================= */
Mikel.