Just FYI I have looking into various schemes for tackling this on my
list of possibles for the VI4 project. Not all of them are image
affecting of course, but some of them require some messing with stuff
that sort of fits in with generally messing around.

tim
-- 
Tim Rowledge, tim at sumeru.stanford.edu, http://sumeru.stanford.edu/tim
Every program in development at MIT expands until it can read mail.