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These are pretty cool man. Especially the contours.
On the gestures, there's two things to remember:
1) Just because the time allowed changes, doesn't mean the speed at which you draw changes. ...
For starting, Tom Richmond's stuff may be a bit overwhelming.
Go to Amazon.com and purchase Face Off! by Harry Hammernick. It's worth it's weight in gold and if you work through the book, page by...