Hi Regann
Do make sure the movies are real first. Some are spam (usually with small file sizes). If Quicktime won't play some of the movies (not all .mpg's use the same codecs), try vlc
http://www.videolan.org/vlc/
(Lot's more answers are around if you search these forums: try "component")
Can't install onOSX???? Should be the only way to go on a superdrive machine!