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It's not that bad, I mean the graphics are okay, but a few problems, I can tell you're new to flash: a few things you should know, instead of erasing objects to make them seem shrinking, use tween and minimize them, that way it wont look so messy.
Also theres no sound fx, only bg music, and the movie is way too short for portal material.
However I can tell you put some effort into it, hope you don't get blammed, and make something big, like get a storyboard, draw your carachters, and all that movie biz shit, then submit it to the portal and what do ya know, you're on the front page! :)
Later