How do you install new civilizations into your game and is it possible to add a new leader to a preexisting civilization. (I.E. Hilary Clinton to America) Thanks for any help!:goodjob:

First off, welcome to the CFC.

Try this thread here (http://forums.civfanatics.com/showthread.php?t=178919) for tips on adding in new civs. To answer your second question it is possible and there are tutorials on it.