#asotfre

This is a really basic, simplistic understanding of the parts of shadow.  Very helpful for drawing anything, really, but because there is so much shadow in a face (which is FULL of concave and convex shapes), it is imperative to be correct on the placement of the elements of shadow and this website is quite informative for that.

This website is seriously amazing. It has all the basics of drawing the placement of the skull.  Mr. Aplin's lessons were mostly for facial structure, so this is an awesome way to combine the two into drawing a head.  I'll post a picture soon of what I drew from this website.

This is one of the coolest/most helpful websites I've seen when talking about learning how to draw proportionate and realistic faces.  Crazy cool.

This is an absolutely awesome, simplistic film. I really love the detail shown in shading.