If only the flash suffered from "trash-throw-away"
I give you credit for the work applied to this flash, but you need a bit more experience with flash. The mouth movements didn't come of as funny but lame.
The Arthur parodying could have been done better too. Maybe if you made jokes about Arthur in more realistic settings. (I don't remember Arthur ever being able to do the surreal like go through a blackhole...watching Arthur get whooped in gym class would have been enough...)