After a lot of experimenting on a wiki hosting service I run (editthis.info), I found that putting ads way at the bottom of content, and just putting one ad ten

After a lot of experimenting on a wiki hosting service I run (editthis.info), I found that putting ads way at the bottom of content, and just putting one ad tended to work better than any other location. You have read all that you will read, and you don't mind being distracted to go off and see what an ad will lead you to (my guess).