Well, yes. But then you have to use GIMP, which constitutes a punishment in its own right. ("...not a sin, but a penance.)

Exactly. Why is anything useful done, has to be done on a *nix? Oh wait ... that's how things GET DONE.

There's a sales pitch -- "Need to counterfeit money? Use Linux!"

It's been done, basically

http://www.youtube.com/watch?v=8LsxmQV8AXk