Wp plugin for free ads?
 

I have one domain on which I want to start site where everyone can put their sex ads and such. Now,wp is great platform with a lot of pčugins and it's great for seo so I was wondering is there any plugin for free ads?
Or anyone knows and better platform for doing this?

so you bascially want them to post sexy ads?

Basically yes

I am looking for something like this:
http://www.awpcp.com/articles/best-f...d-ad-software/

Ohh those kind of ads. Maybe a forum software would be better.

wouldn't a guest book script do the trick?