#photo_thumb {
    float: left;
    margin-left: 14px;
    margin-top: 14px;
    width: 208px;
    height: 139px;
}

#photo_thumb a {
    display: block;
    width: 208px;
    height: 139px;
    background: none;
}

#photo_thumb a:hover {
    background: url(/images/shadow.png);
}