Well, I don't think off the top of my head there was anything wrong with your submission actually. If you have an idea there is nothing wrong with using windows movie maker. You just will have simple vids. No biggie really if it is amusing.
Oh yeah and since it has been slow and i am still on break I decided to plop out something last night. I might do a couple minor things to it still as this is pretty much the rough version, but hope you like it. I never know if my sense of humor tends to hit because it tends to be a bit on the dry side.
http://students.uww.edu/huntjl12/
Download from my school webspace. With any luck I will have another one done pretty soon. Working on one right now that would be insane if I pull it off. It's pretty much all after effects. Still working out the animation.
Hmm.... so tempted to do something with Red Dwarf Audio. Would be an excuse to use Captain Tylor...