Can someone direct me to a thread that describes the BtS content maps available in Custom games? Not the ones associated with scenarios; that info is provided -- the ones available only on the custom screen, e.g. "Arboria."

Thanks.

Directly from the War Academy (http://www.civfanatics.com/civ4/strategy/):

The Complete Guide To Map Creation (http://forums.civfanatics.com/showthread.php?t=246788)