If you get an error (or no video) on playback, you may need to download and install the XviD codec from here (current version - 1.1.2 for Windows based PCs).

Click here for Video 1 (70MB) - choose Save instead of Open to save it to your PC for playback later

Click here for Video 2 (30MB) - choose Save instead of Open to save it to your PC for playback later