Building a forum takes time.
I think you should open more categories Admin.The site is way to basic.This forum is way behind other aussie bb forums. Having less categories means that members are posting the same things.
Maybe look at other websites for ideas, eg anabolex, bodybuilding.com, muscletalk.
And i notice when a member talks about steroids, clen, dnp etc, the thread is immeditely closed.Maybe relax on those issues/topics and i guarantee members will come.