To do your own sig...click on Reply, highlight the html code below and copy (Ctrl C on your keyboard) put a tick @ 'Use HTML to create your page' below your message window.
Hit Ctrl V on your keyboard to paste in the code and change each of my letters for your own name.....remove the tick from 'Use html to create your page.'
<P><U><FONT face=verdana size=7><FONT color=#3366cc>L<FONT size=6><SUP>y<FONT size=5><SUP>N<FONT size=4><SUP>N<FONT size=3><SUP>R</SUP>O</SUP>S</SUP>E</SUP></FONT></FONT> </FONT></FONT></FONT></FONT></U></P>
got this from the clever people at CIT