An AVS or a free site? They are technically 2 different things, although they have the same structure. Check out
www.persiankitty.com to see free sites.
A basic AVS site is just a free site with a join script thrown in before a surfer gets to the content. It can be done on the index page or on a second tour page. But the content backend it the same as a free site.
If you are looking to do Free AVS sites check out
www.sexkey.com.