SketchArt HD - BA.net
SketchArt for iPad BA.net
Simple, fast procedural sketching tool. Create amazing black and white or color sketches with a few simple strokes.
Brushes Sketchy, XSketchy, Shaded, Chrome, Fur, Lonfur, Xlongfur, Web, Xweb, Simple, and more coming up.
Works for drawing off-line, plus it has extra brushes and automatic save mode to continue your paintings later!
Many hours of fun in a small app footprint.