If yo9u mean colorize in the way that the old B&W films were given the "technicolor look" Then yes indeed there is a blugin. Its called blackMAgic It will colorize B&W ala Ted Turner black and white stills. Presumably based on the grayscale color. Anyway you will have to do each frame by importing the AVI as a series of stills or as a photoshop Filmstrip which is a container of ALL the frames that Photoshop can read. here is the link: http://www.neuraltek.com/bmagic/ PeteJ