Hello, When importing a video clip (.mp4) the thumbnails show the same frame all the way across, and when I hit play the audio playback is fine, but the video is stuck on the frame shown on the thumbnail. When exporting the video it does just that I have tried clearing the cache from imovie events folder. I have also tried deleting imovie and reinstalling it from the ilife disc. I am puzzled because just before this clip I was able to import/export perfectly fine. I have attempted other files with same results. Help, any ideas? Thanks!