1. Change the equipment of the British Zulu faction. In the original Anglo-Zulu mod, the British had pistols, calvary, lances, rapiers, etc. They're incredibly weak right now.
2. A civil war faction would be cool: http://www.fsegames.eu/forum/index.php?PHPSESSID=tse0hquovff8akcimt92eksui7&board=34.0