I really like the "get points every 25 levels or so to change either a wonder or nation" idea. Maybe something along the lines of only earning six points and having a nation change be 3 points and a wonder change be 2, or something like that. That puts a limit on the amount of times people can...
"I chose Japan for my second account." - I just read this on another post. Can you really make a second account? Or is this guys saying he has two devices that he plays on?
Oh geez. I'm not high enough level to use a general yet, but it seems as though they are used just as any other unit (all units cost resources and time), just with a cool-down. In that case, I would think you just have to be smart about how you use him. Andy's suggestion seems like the best...
I love the name and that you didn't just come out and say "Hey, I need members. Join my alliance." You're fun :) I am currently upgrading to the Iron age, so I can not join an alliance quite yet, but I would love to join once I'm able to.