A.Ceylan: In future, you might want to preview your model in realtime. Rendering is fine and well when that's what you want for a final image (although I'd argue against that as well, but that's your decision), but for previewing it being able to rotate it and seeing the dynamic lighting and spec responding is really the…
or use 1 of the uv areas for the lower part of the hair, one for the middle part and one for the top. It would illiminate the uniqueness a bit, but since right now it is pretty much the same texture anyways it probably wouldn't matter too much IMO ;). Great work! I really like how you got the normals/spec/diffuse to work…