You may have something there yourself. but, forget the boards, just target the hoodies that hang about at the skateparks. Moving targets, albeit slow, would be more fun plus its good for the economy to keep the dead wood down.
I think Keith Deller was the last skinny to do well, however, when he started out in Darts he used to drink semi skimmed milk but has porked up since moving through to full fat to having the occasional Jersey.