I'm sorry, but you're in a bad situation, mini can play videos well only with win7 and wmp12, so if you haven't license for it is a problem. There are some other players that work with some hacks, but they don't support drm. I'm sorry. Blame Apple to release a so bad piece of code like Itunes.
The GMA500 Guru: ask me for every video problem! (Or if you desire a perfect video experience)
Win Xp, Driver .1016, Full Hd Youtube Working; Win7, Driver .2019
Dell Mini 10, HDD Momentus 7200.2 160gb (best 2.5" access time