As far as any help you might need, feel free to post any questions you have on gameplay here. The community is very good at responding quickly to any questions you may have. Additionally, you can visit the
REG, which is an encyclopedia-like database of the cards and rulings that have been made.
As far as beginning a play group, where do you live? There may be one near you, and it might be good to visit and see how they run things so you can figure out how to run your own. Otherwise, just try teaching people the game and see what happens.