+1 for Acorn, and also check out Retrobatch by the same developer - it's a super powerful image processing environment - the way I'd describe it is like having

+1 for Acorn, and also check out Retrobatch by the same developer - it's a super powerful image processing environment - the way I'd describe it is like having a visual command line dedicated to image processing (but better because it's visual and you don't have to read man pages). Great work all around by Gus Mueller.