Addendum for gentoo users
Written by Collins Richey on 19-April-2003.
mplayer and mplayerplug-in are available as standard ebuilds. I
suggest that you get the latest version, which may be masked.
... is the full name of the ebuild. (You need the full name to
override potential package mask.)
emerge sync (to refresh the packages list)
Create a link for your mozilla or phoenix plugins directory. For me
3. As above, restart your browser and enjoy.