Per Bjornsson wrote:
Unfortunately it's probably not that easy to do something legal about Flash - at least if you want it to make sound... Doesn't Flash use MP3 for audio? And what is the video format used in recent Flash versions?
Flash, as far as version 8 is MP3 audio. The video codec in Flash < 6/7 is by Sorensen, for Flash 8 they added ON2's VP6 codec.