I need some help in After Effects. I want to have a cursive handwritten effect to run across the video. I know how to do it with a solid background, but I can't figure out how to do it with a moving picture. Almost as if it's a reverse erasing effect. Any help would be GREAT
draw cursive with pen tool.
apply stroke effect to path.
animate stroke to draw.
use layer as alpha matte with "moving picture"