long story 
http://www.gnutellaforums.com/showth...threadid=20771 
it's not only here: the ads are automatically targeted to the keywords on the page. Soon after a site admin block them, they show up again, probably tiggered by different keywords and linked to different sites.  However they do it--innocent money ends up in the wrong pockets. 
 
  
hehe--the advertisers are as quick as filesharers in getting around blocks. 
