Hi everyone, I'm trying to make a collection of music videos for a party, and then burn it all on dvd. I used a greasemonkey script to get youtube .mp4's of all the videos I want. Then, I imported a couple of them into iMovie to test it out. However, these 20MB .mp4 files somehow created 50MB iMovie thumbnails? Why is this? Will it affect space on DVD when I move over to iDVD? Thank you in advance for your help.