A few drawing tips i have collected - Imgur
How to Draw Hair tutorial by =ribkaDory on deviantART: by drawing the ends and hairs at hairline close together you can create shading and a sense of form.
how to draw_aprenda drawing
mini Braid Tutorial by KajaNijssen
50% grey Folder of Drawing Tips and Tricks - Page 8
Tutorial: How to Shade Learn shading techniques, tips and tricks for shading realistic portraits.
Drawing Tips - Imgur
TUTO - How to draw ears? by the-evil-legacy.deviantart.com on @DeviantArt
Drawing lips. Great tips, always have a hard time drawing lips!
I'm terrible at drawing hands, so this is pretty useful; especially how it does both male and female hands!