If I have movies on my iTunes library and synced with my iPod, that are actually stored on an external USB HD, will it take up any space on my actual computer's HD? The reason I ask is I have been ripping movies with RipItApp, which automatically saves its file in my Movie file. After it is done I have been copying it over to the HD and then ripping that file using Handbrake (RipItApp creates a big file, handbrake trims it down). I have been noticing my HD space on my computer going down and I have not really been doing anything else lately. I have lost about 7 GBs in about a week. Wondering if iTunes is doing this or if RipIt is leaving files laying around.