The problem with VirtualDub is that uses the VFW (Video-For-Windows) routines, where the max vertical res is 240 lines. Instead, try this program: iuVCR from 0iuLab . It's mini-sized (<1 MB), used DirectShow to get past the 240 limit (I can do max 720x480 on my AverTV studio), and except for a 3...