#HomeColumn1,
#HomeColumn2,
#HomeColumn3,
#HomeColumn4 {
 width: 225px;
 float: left;
 margin: 0 20px 100px 0;
}
#HomeColumn4 {
 margin-right: 0;
}
#HomeColumn4.HomeLeft li {
 margin-left: 0;
}    

#HomeColumn1 .thumbnail,
#HomeColumn2 .thumbnail,
#HomeColumn3 .thumbnail,
#HomeColumn4 .thumbnail {
    margin-bottom: 9px !important;
}