I think 40-50 characters is the right range for the text
About thumbs 88x88 sounds good, it doesnt cover every tgp but it is ok
__________________
<a href="http://www.wishing.com/money/"><img src="http://www.wishing.com/money/promotools/referrals/bannerset2/wishing_affiliate_120x60_06.gif" border="0"><br><font face="Verdana, Arial" size="2"><b>Wishing.com</b>- Make over <b>$100.00</b> per sale with pills and patches</font></a>