As I mentioned in Crabby's thread, any lineart drawing in my gallery is free to colour. I have a few characters that get cycled through, so if you want any character refs for colouration, just let me know. If you do colour, all I ask is that you kindly drop me a link so I can take a gander.
http://www.furaffinity.net/user/jadwin/
http://www.furaffinity.net/user/jadwin/