Horse eye

completely done by me. no lines used. Their is still a lot that need to be done i think but I don't know what or how to do them.
Any and all tips are welcomed

FF:
Name: horse eye
Time taken: maybe a total day it was a lot of on and off work over a month or so.
layers: 20
program: Gimp 2.6 and a mouse
Happy: kind of their is still stuff that needs to be done