I've noticed that after downloading certain mpeg movie files they behave in an odd way. Let's say I have an mpeg file that is 2min long. I'll play it in quicktime the movie will play to about 30 seconds then end. When I rewind it starts on the next thirty seconds of the movie and end at about thirty seconds. I can only watch this file at about 30sec at a time. I suspect somewhere along the download path the movie files are being squashed somewhere.

Anyone else have this same problem?