Okay, so when I was creating the Ubuntu in a Virtual Machine video, at first I used VirtualDub for cropping and resizing the videos. But then it became a pain trying to merge them, so I reverted to Windows Movie Maker. This is the result of the first try:
I think Micro$oft Windows is mad at me 😉
Nah, it’s to do with the Xvid codec. I found the solution here.