ul.galleryUl {
    width: 600px;
    display: block;
}
ul.galleryUl li {
    width: 480px;
    text-align: center;
    float: left;
    list-style: none;
    padding: 5px 5px 5px 5px;
    text-decoration: none;
}

div.cleaner {
clear:both;
font-size:1px;
height:1px;
margin-bottom:-1px;
}