Hahahaha! Priceless answers.
To change the background, scroll all the way down to the bottom of any forum page - like this one - , on the bottom left is a 2 inch skinny box, it should say "POTCF Default style" That gives you a black background, Port Royal should be a lighter background. Just be warned viewing the original members list in the PR style will fry your brain. LOL
Aww Max, I see you beat me to it.... but I would still like his number...