At last found the code to use on MySpace 2.0
Code:
{!-- START code to Place Top Banner --!}
{! code author:Eileen, all rights reserved !}
{!- Banner Under Search Area -!}
div#googlebar{padding-bottom:250px;
background-image:url(URL_to_JPG.jpg");
background-position:center bottom;
background-repeat:no-repeat;}
{! reverse conflicts with other commonly used code !}
div.contentTop table td {background-image:none; width:auto; height:auto;}
{!-- End code to Place Top Banner --!}