Image manipulation


i just started in vvvv and would like to manipulate images coming from a webcam, like rosenfranz 7 post before (who i am working with right now). But i am heading in the other direction, i want to generate images from sound.
i have some experience in apples quartz composer and am looking for something similar to a patch called RuttEtra.
it looks like this:

i also like to divide the image in sectors (lets say 8x8) and extract color informations seperately from these sectors (maybe with the pipette tool).

does someone know a patch that pixellates the image?

thanks for the help

note to self: found pixelate shader here:
called Brick

i think i will find A LOT here