1) XtGem-hosted sites only 2) One thread per site - if you update your site, post to your existing thread to let people know instead of creating a new one 3) No URLs in thread titles - use the title to describe what the site is all about 4) Go into more detail on what is available on your site, how is it different from other sites, etc in post body - no posts with just the URL in the body.

Note* post only facebook profile url. E.g. http://facebook.com/username

note* post only non referral link and non adult site.