It’s weird, it shows up on my boss’s computer, a co-worker’s computer but not on mine. I played it at home, it was white horizontal line at the bottom, but then i reopened it and it was gone.
These clips first started out full size high quality wmvs (1280×720) which were converted to mpeg-1. Then i put the mpeg vids through a splitter to make 15-25 second preview clips, all mpeg-1. We loaded them on to their pages but because of the size(960×540) they took along time to load up in windows media player, and there would be a long pause then it’d skip a few seconds ahead when it was played in browsers. So i resized them in vegas to 400×226 and that’s when the green line appeared.
I tried mpeg-2 but it’d freeze windows media player (probably the MPEG-2 playback like you said Steve).
None of this happened until I resized the video.