1. Apparatus adapted to operate on a personal computer having video input means, graphics engine and video output means for producing overlay graphic elements from PowerPoint (trademark) slides for overlay on a source video program stream comprising: (a) means to receive a source video stream; (b) parsing means to produce an overlay graphic from PowerPoint (trademark) data objects; (c) compositing means to composite said overlay graphic with said source video stream; and (d) output means coupled to said compositing means to provide an output video stream including at least a portion of the source video stream and the overlay graphic.