Favorite tutorials

Another way to get better at drawing and sketching is to use tutorials. Here are a couple of my favorite:
http://www.dragoart.com/tuts/5896/1/1/how-to-draw-an-anime-demon-girl.htm
 (Anime demon girl)
http://www.dragoart.com/tuts/7963/1/1/how-to-draw-a-frog.htm (Frog)
http://www.dragoart.com/tuts/6297/1/1/how-to-draw-baby-yoshi.htm (Yoshi!)