Felting
Felting basic process plus other tutorials in the links at the bottom. i have plans for feltballs.
farmfreshfelt not much here right now, but worth a visit for the nuno felted scarf alone. it looks like an amoeba.
nuno felting how-to - nb cold water is used to allow the wool fibres time to mesh with the base fabric.
a very long list of felt artists
edit: yay! 3d felting using a cardboard resist and guidelines for making your own patterns.