Since I've already uploaded the latest build for another thread, I think it can't hurt to link it here, too:
http://download.vobsub.edensrising.com/VSFilter.rar
It should run a little faster and the u/v channels are now processed in the other way, because I think that's how they should be and it is avisynth (or the vfw codec?) who's opening the avi wrongly. (directly viewing an avi with v25 always showed me swapped u/v channels, no idea why...)