Learn how to use the shareware program ffmpegX to compress your video while maintaining decent quality. This is useful if you want to send video to your iPod, upload video to the net, send it via email, or archive your camera's video files.
Want to know more about how to use iMovie on your Mac? Check out this MacMost course!
You end up having 2 pay 4 it though...
Just got this program, and the huge number of options make it a little intimidatiing. Thanks for walking me through the basics.