I just chatted with the creator of my set and he said the error is due to not being deinterlaced correctly (3:2 pulldown); it was likely done with some sort of software program and you can't do it that way with LDs. Apparently you have to manually deinterlace the signal, because you're taking a 24 FPS movie and converting it to 29.97 FPS NTSC standard, and they didn't do it correctly.