I have Sony Vegas HD Movie Studio 9.0 on my Windows 7, and I have iStopmotion on my Mac. I moved some iStopmotion files (through USB) from the Mac to my Windows 7. In .mov format, the video would not play on Windows 7, but it played in Sony Vegas. However, the video would skip parts, then return to them later. This seriouslty messed up my videos. I figured that I could change the file, and it would work, so I exported the iStopmotion files to .wmv format, and it only played about half of the video , and then it ended. What should I do to fix this problem? Would an AVI iStopmotion file be compatible with Sony Vegas?