QTSketch is a QuickTime based video player application that, among other features, allows you to draw over a QuickTime movie.
QTSketch can open:
Quicktime and MPEG4 movie files (.mov and .mp4)
Single Images and Image Sequences (of any Quicktime supported Image format, including JPEG, TIFF, and PNG)
Movie Sequences
QTSketch also features a media browser for easily finding the file you want to open, whether its on your local hard drive, or a customized file server.
QTSketch can Play movies in fullscreen, and has an Inspector Window AND status bars to quickly and easily find any information about your movie.
WHAT'S NEW
Version 0.86: First Public release. Note this is a beta release, some features are still incomplete.