Yes, no, maybe.... A keeper.
Trace bitmapping is NOT advised. Unless you want MAD edges in your movie and bigger file sizes. Try exporting PNGs, instead.
Now why did you see fit to use the X-Box/Spiderman typeface?
Woah, why is Sonic all hi-res???
You could've used some parallax scrolling to give your scenes more depth. It's easy.
The quality of the graphics was inconsistent..(I right-clicked for low quality)
The last scene was just so....cheesy it was amusing. Good effort, good work, boss.