Hello, I'm having a hard time understanding how imovie 11 processes and renders videos. Everything I've exported has been a combination of HUGE video files or videos with artifacts. I have been importing .mp4 videos that were converted with Handbrake from .mts. I'm using files provided from another person so I do not have the original camera. When I move the files to imovie it looks like it turns these files into huge .mov files in the project folder (for example a 1 gig .mp4 video will be turned into a 20 gig .mov folder) I'm trying to produce the best quality video export to be used for youtube, DVD and uncompressed that I can handoff to someone else so they can finish the project. I do not want to directly post to these applications. Can somebody walk me through a workaround? I'm using imovie 11 on 10.6.8.