I'm with Sykotyk on the demon pictures here, once you see them all together and in context they work really well. The mixture of surreal images and bizarre montage allows you to add your own interpretation and really makes them strange compared to the serene human factions.

Khan 48 - They'll be modelled like the other factions so we'll have demonic wall/gates,buildings etc.

tai4ji2x - The units for all the factions come from a range of periods, I tend to go with whatever looks best :)

shifty157- I wanted the generals to be on horseback as their first choice as i find generals on chariots are less fun to play, don't ask me why, they just seem to move in a less decisive way. He's carrying a closed fan in his left hand.