I created better textures for my local game:

All based on real photos of species. If there is a desire and textures like, I'll be enjoy see them once in official mod :)

Archive with full textures:
https://yadi.sk/d/R3Orj-5X3UWsBB

I updated textures (more nice colors)
https://yadi.sk/d/3vBmtIUD3Wss6J