Civilization IV

So far the small group of us have figured out how to play a play by email game (which technically is still underway) and a Pitboss game. Pitboss is very nice because we can log in whenever we want, and, occasionally get together for fast turns when everyone is online at once. Next, we may be attempting to create our own Civs. We're using the article How to: Add a Civilization to walk us through the process. I'm thinking I need to make a Byzantine empire!