Auskommentieren, damit keine Zeilenumbrüche eingesetzt werden. :-)

Html:
<style type="text/css"><!--
body { 
background-image: url('http://i216.photobucket.com/albums/cc29/MrKillerguitar/Background.jpg');
background-repeat: no-repeat; 
background-position: center;
background-color: #0a0500;
}
--></style>