.sf_blog_header_wrapper {
    height: 198px;
    background-repeat: no-repeat;
    overflow: hidden;
    background-image: url(images/header_blog.jpg);
 }

 .sf_blog_extra2 {
    width: 500px;
    height: 198px;
    float: right;
    background-image: none;
    background-repeat: no-repeat;
 }