Stay tuned, I'm preparing some tutorials on Visual FX and Digital Compositing Techniques in processing. It'll start quite basic. We will see where it leads us.
Currently I'm doing some research on building a basic compositing environment in processing. Shake 1.0 (=no GUI) comes to mind.
Finally I'm looking for ways to implement Optical Flow techniques in processing and building a processing-based Deinterlacing-Tool.
More awesome stuff: