i've heard that adsense has been on a couple porn sites? not sure if its true or not though
another site im sure accepts it is http://www.protraffic.com
hope this helps
Edit: I think this site also does
http://www.blacklabelads.com/
another site im sure accepts it is http://www.protraffic.com
hope this helps
Edit: I think this site also does
http://www.blacklabelads.com/