Some examples of Ian G black pastels...

http://i54.photobucket.com/albums/g9...s/IMG_4478.jpg
http://tcreptiles.com/images/Breadin...lackpastel.jpg
http://i54.photobucket.com/albums/g9...s/IMG_3459.jpg
http://www.kingsnake.com/donpatterso...stel_ball.html (the first one really looks like Dave!)