Haven't updated this thread in a long while...
I'm still adding units, but as it can get kind of tiring sorting through them all, different versions for different civs and races, upgrades, civilopedia and pediaicon info, etc., I thought I'd take a momentary diversion to make a new wonder splash background for my mod.
Please let me know which you think looks better. They're not final, as you can see. They still need adjusting slightly to fit perfectly, but at least this will give you an example.