Get members?

[Whizdom™]

I'd also like to recommend having your friends and members advertise for you. If they're active on other forums, try having them use a signature that would get people interested in your forum (if the other sites allow it). A Facebook group and Youtube video are very good ways too, but also try having some members post something about you site on their statuses. An attractive layout goes a long way as well. Contests and prizes are good for a initial burst of new membership, make sure you have good content that will keep those new members interested in your site after the prizes and contests are done.