I thougt you might want an avatar color in. Please let me know if there is anything you would like me to add.
Do's
Edit Lines (ears, eye, nose, tounge)
Shade (Because I cannot)
Add accessories
Don'ts
Change Lines Drasticly
Remove Signature
Claim as your own
Use off site (unless I gave permission)
Use as contest (Unless I gave permission)
Enjoy and let me know what you think
EDIT 4/28/13 : I added mouths to the color in. When you use them color them in on the color layer.