: can't help you find a free software... but there are lots of expensive
: software out there that should do it (not sure) like after effects.. oh
: oh, you could bye quicktime pro, and then use "ms paint" (or
: whatever free image manipulating tool...) or Gimp! (free software that's
: really good, almost as good as photoshop) to edit each frame and use
: quicktime pro to copy the edited frame back in.
Yeah, pretty much what he said. But search versiontracker.com anyway and play with demos and stuff.