Looks real nice for your fourth! You've got the basics down now to improve more, read more tuts and basic things like lighting, depth etc...
The adrian peterson was requested by my brother to be put on their and this is my work something similar was probably on playerart
Personaly I dont like it, but this is your fourth so u are doing great, a lil more practice and done!.
^^^ I tried purple, i was planning to use purple, but it looked dead ugly so i decided to use a neutral color scheme