Project Dogwaffle, the (un)natural paint and animation program by Dan Ritchie. Now with support for AVI animations, timeline filter keyframing, improved tablet support, layers, and many other improvements that make this program bringing true freedom of expression (graphically speaking) to your PC. You can paint, sketch, draw, animate. You can touchup, apply fancy filters, re-apply brushes through the stroke player, paint with fractal particle brushes, make your own animated brushes.