First impression, quick scan:
The artist in me is complaining that it's too straightlaced in design... but, for all I know, that's a limitation that you cannot bypass. Most forums I've seen are all based upon a template, and have considerable restrictions against creative design. As far as forums go, you have a nice array of choices, which is always great for attracting a variety of users. From a strictly personal standpoint, I would be more encouraged to join and participate if there was a bit more... personality... in the site. When I am browsing, I feel like I've been pulled into a virtual environment generated by an AI, not a human.

Mind you, that probably appeals to others who are less artistic in nature.
I do like the quotation graphics denoting each active topic, however: simple, very appropriate, and still amusing.
I am more of a dark red / pale gold type of person, so the colors don't particularly move me very much. Neither do the colors here, at the Trap, move me very much... I am inspired to participate here by the incredible array of people involved, and I was attracted by the absolutely fantastic idea of an alternative method for earning an otherwise-paid service. It doesn't look like you have found that perfectly-enticing nugget that'll lure the little fishies to your pond. You will, though, of that I am certain.