Note, the above video file is a VOB file ripped from the PAL DVD that was just sent to Dad from Germany. The file was simply renamed to include the .mpg extension. I'm working on converting this to a NTSC DVD disk so we can all see it on our TV screens, but for now the PC screen will have to do.
This should play back in just about any software player. I tested it with the following players on Windows XP: