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I did this quick sketch after playing a bit of Brink the computer game. I love the art style and it inspired me to do something a bit more rough and ready, and not get bogged down in the smoothing and blending. This was done in about 5-6 hrs.
I had a few proportion problems and my armature wasn't perfect, but I'm certainly learning more and more with each sculpt I attempt.
I don't know the game, but the sculpt looks cool so far....and you are right to not get bogged down with too much detail at first, and just let your mind and fingers do the working in a more free form approach. It's a great way to get better fast, while exploring more possibilities.
Mah ' Crub