Ok, so I haven't exactly been up to par on drawing lately and have been wanting to learn how to paint in Photoshop for a long time. This is my first attempt ever and would like to improve on it; took me about an hour and a half to get to this stage using a mouse. Thanks.
P.S. The shadows suck I know.
P.S.S. Anybody have any good ideas on how I should tackle the veins?