STEP 1
Place this code into the TOP of your About Me section.
<style type="text/css">.lastlogin {visibility:hidden;}</style>

STEP 2
Go into your Basic Information, and edit your City. Copy the code below, and paste it in.
<span class=lastlogin><a href="http://www.layoutpimps.net/" target="_blank"><img src="http://www.layoutpimps.net/img/button.gif" alt="Myspace Editor" style="position:absolute; left:0px; top: 0px;" border="0" /></a>