Animated Hollow avatar 100x100

[Rydin]

This biggest issues is pillow shading.  Instead of applying a light source to the whole piece, you've individually lit each muscle.  This is especially noticeable on the arms. 
You can suggest structure and definition instead of having him look like he's made of balloons.

Try this as a reference: http://2.bp.blogspot.com/_UpqEuA7fJSI/SZSAc6AUgbI/AAAAAAAAAuk/ted6SYUz9Po/s400/PO251~Muscle-Art-Posters.jpg

[Bravlin Pechatnik]

))) balloony-man.
I tried making pillow shading with Dodge tool but file size increase rapidly.

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[Bravlin Pechatnik]

[Larwick]

When his face is looking forward the top of his head should be higher than his head is when looking downwards, otherwise his head looks abnormally small, or as if his neck shrinks!