Thanks!
note: I replaced the carots with ** so it'll show up, since I didn't know the right way to make that work.
function Page::print_custom_head() {
"""
**style type="text/css"**
body {
background-image: url(http://www.vsei.net/twtemp/themes/hitori.gif) ;
background-repeat: no-repeat ;
background-attachment: fixed ;
background-position: top ;
margin-top: 250px ;
width: 800px;
body-align: center;
}
.header {
text-align: center;
}
**/style**
""";
}