Creating screen savers

Hello all,

The idea of having mpeg (or quicktime etc) video on loop as a screen saver* seems appealing to me; does anyone have any ideas for how to do it?

It seems that the easiest mechanism would be to simple set up a wrapper that used a generallized video playing API, but I have no experience w/ Cocoa yet, and was wondering if someone could point me in the right direction...

Would this be of interest to anyone else (development and/or use)?

* Some measure would have to be taken to ensure the lack of burn-in on the edges of the video display... perhaps random patterns, perhaps the video box can move around the screen... vital stats can be displayed in the blank spaces...