You did chose a good song.
Well, for starters I'd suggest a loadbar. I saw a white screen which made me wonder if anything was happening at all. Togheter with the loadbar you also need a play and replay button. This is just basic user friendlyness.
You should definatly tweak the soundfile. There are some actionscripts that make you stop all sounds at the end off a flash, I'm sure you can find that somewhere on the net. Cause right now I'm typing this while the song is playing over each other again and again.
I'm not gonna say much about the art style, cause what really makes a movie is the story and the composition of the images. This story for instance doesn't seem to go anywhere. Maybe that will improve if you add extra stories to the journey or make this one longer, who knows what you are planning :)
So basicly what I'm saying is, do a checkup on the sound, story and loadbar/buttons and I'm sure you'll do a fine job in making some fun and interesting stories and I wish you all the best luck for it. :)