You need to use the php extension on your pages.
Links on the ads look like this.
Code:
<a href="http://refer.ccbill.com/cgi-bin/clicks.cgi?CA=YOURCCBILLACCOUNT&PA=<?php echo $QUERY_STRING?>">
Link to the galleries like this
Replace WMID with the affiliate ID
Code:
http://URLOFGALLERY.com/gallery.php?WMID