all for free.
www.unscripted.com can help
find a blog in the same niche as yours... post an article with a link to your websites/blogs.
mainstream:
http://www.masterblogs.biz/
adult:
http://www.masterblogs.biz/?sites=adult
and you're done. stop by occasionaly to post another article.
hope this helps a few webmasters
~Ray
icq 94994627