First of all excuse my English... I know it's far from perfect but I hope you'll understand what I want to say.
I have made a little mode who make buildings look likes a little less crappy, and making them more integrated to the environement with a sand like color.
I hope you'll enjoy it.
Don't hesitate to tell me if you think there is some modification to do.
Here is the mod:
MOD_Buildings_textures_custom.zip - 6.8 MB
http://www.mediafire.com/?f09eg32yy4j28
and here is some screenshots :


PS: if you want to use one of them (or more), I am tottaly agree with it.