there is such a programme to download, i cant remember what its called but when i get home in less than 2 hours ill post a link
it has all sorts of editing options before you take the picture. it works with imovie too when recording.
Edit: You can download I glasses here
http://www.versiontracker.com/dyn/moreinfo/macosx/24758 - iglasses is free (for 7 days) im sure you could get a free serial code or something for it, but its really good, installs fast and opens automatically with imovie, photo booth etc