It only supports MPEG1, but as far as I'm concerned this is the best darn wiritten application in the world!
Wodeon -
http://www.geocities.jp/omiokone/wodeon/indexE.htm
New version people!!
It works on Anything, including partial CE1.0 support
(how I ask myself
).
The developer needs serious kudos, because the application size is only.. wait for it....
50KB