Pages: Yes/No/Per Page/Per Category
Posts: Yes/No/Per Post/Per Category
Category Archives: Yes/No/Per Archive
In my case (www.freetravelgenius.com), I would want to have ads on my travel blog category archive and on all my posts. I would prefer to keep my other (“points”) category listing clean. I would also prefer not to have it on the bottom of certain pages. Basically, I don’t want to distract the viewer from the main business of the site, but wouldn’t mind making a few bucks when they stray onto less critical pages.
This probably isn’t high priority, though would be nice.