/head

<script src="/js/init.js" type="text/javascript"></script>  
<script src="/js/raphael.js" type="text/javascript"></script>  
<style>ul.reset,  
ul.reset li {  
display:block;  
list-style:none;  
padding:0;  
margin:0;  
}  
.gallery ul li {  
width:200px; /* a half of image width */  
height:200px; /* a half of image height */  
margin:0 10px 10px 0;  
float:left;  
position:relative;  
}  
.holder {  
position:absolute;  
top:0;  
left:0;  
margin:-100px 0 0 -100px; /* margin-left: a half of 'li' width and margin-top: a half of 'li' height */  
}  
</style>

<div class="gallery">  
<ul class="reset">  
<li><img src="Ссылка на картинку" border="0" /></li>  
</ul>  
</div>