Ordenar elementos li

Ordenar elementos li tipo grilla con los ultimos elementos encuadrados: #attending li:last-child { margin-right:-4px; }

by Alee

HTML

<div id="attending">
            <h2> Who's Attending <div id="eventtitle">Converge </div></h2>
                <ul>
                <li><a href='http://www.last.fm/user/IthisProtector' target='_blank'><img src='http://userserve-ak.last.fm/serve/34/30769977.jpg' alt='IthisProtector' height=40px; width=40px; style='border:0px;'/></a></li><li><a href='http://www.last.fm/user/Jordan1124' target='_blank'><img src='http://userserve-ak.last.fm/serve/34/46770143.jpg' alt='Jordan1124' height=40px; width=40px; style='border:0px;'/></a></li><li><a href='http://www.last.fm/user/redmedicine' target='_blank'><img src='http://userserve-ak.last.fm/serve/34/1612965.jpg' alt='redmedicine' height=40px; width=40px; style='border:0px;'/></a></li><li><a href='http://www.last.fm/user/phillstac3' target='_blank'><img src='http://userserve-ak.last.fm/serve/34/9373439.jpg' alt='phillstac3' height=40px; width=40px; style='border:0px;'/></a></li><li><a href='http://www.last.fm/user/hammajamma' target='_blank'><img src='http://userserve-ak.last.fm/serve/34/1577940.gif' alt='hammajamma' height=40px; width=40px; style='border:0px;'/></a></li><li><a href='http://www.last.fm/user/tastemaker' target='_blank'><img src='http://userserve-ak.last.fm/serve/34/31334281.jpg' alt='tastemaker' height=40px; width=40px; style='border:0px;'/></a></li><li><a href='http://www.last.fm/user/owlz' target='_blank'><img src='http://userserve-ak.last.fm/serve/34/38409251.jpg' alt='owlz' height=40px; width=40px; style='border:0px;'/></a></li><li><a href='http://www.last.fm/user/cersei' target='_blank'><img src='http://userserve-ak.last.fm/serve/34/16709925.png' alt='cersei' height=40px; width=40px; style='border:0px;'/></a></li><li><a href='http://www.last.fm/user/thenetsux' target='_blank'><img src='http://userserve-ak.last.fm/serve/34/46964551.jpg' alt='thenetsux' height=40px; width=40px; style='border:0px;'/></a></li><li><a href='http://www.last.fm/user/Shwang_Shwinga' target='_blank'><img...

CSS

#attending ul {
 display: inline;
 margin: 0 0 0 0;
 padding-left: 0px;
}
#attending ul li {
 display: inline;
 list-style-image:none;
 padding: 5px;

}
#attending li:last-child { 
    margin-right:-4px; 
  }
#attending {
width: 230px;
margin:0 13px 5px 12px;
float: left;
background-image: url(...);
background-repeat: no-repeat;
text-align:center;
height:360px;
overflow:hidden;
}