Cropping may not be the proper term, but here's what I'd like to do.
Let's say I have a bunch of different images, maybe even different
formats and sizes. I want to crop them in a uniform fashion, say...
300 wide by 200 high. So, assuming the image is 350 X 210, can I
create some sort of "cookie cutter" mask that I can mouse over the
image, find the best location, and then just click'n crop to the exact