If you have some designs or drawings I could work from, I might be able to do some retex work. It depends on my schedule. However, I don't have BW2 installed (wait, is this Battle of the Gods? I don't have that one.) on my laptop right now... You'd need to send me the textures you want worked with. I can definitely do some recolouring but I can't do any mipmapping/bump-mapping, sooo.......uh yeah.
What buildings do you want reskinned?