I am aware that you said you are looking for teens. However, it may be worth also considering the black pornstar side of things.
Hustler Cash has
Hustlaz which is updated regularly with new content from many of the hottest black porn stars around today. If you don't see the promo material you need in the affiliate area, I would be more than happy to get it for you.
As with all Hustler Cash sites, it is available on PPS and RevShare.