check this post http://forums.digitalpoint.com/showthread.php?t=267887 and here you have mod for adsense http://custom.simplemachines.org/mods/index.php?mod=255
I use 1and1 for this and downloaded the application directly from them . I have ftp access and have gone in there but I don't see where to change anything. I'd be willing to pay someone that knows what to do... I am sure it will take all of 5 minutes for a knowledgeable person.