your on the right track :) keep it up ^.^ looks good

I like the colors, maybe learn how to shade? Shading can be basic to be begin if you would like, but the more preferred skins have excellent shading. Try learning from the more popular skinners if you want.
Also, the headphones seem a bit off from where the ears should be.
This should help:
http://www.planetminecraft.com/blog/tutorial-palettes-and-hue-shifting/