I like it
Well it kind of disapointed me. Since you said "phew" in the begining of your comment I expected a great flash animation. It wasn't that good. Don't get me wrong though. It's good. The animation's smooth and it's quite full of stuff and easter eggs were a nice addition even though I couldn't find any. The problem I have with this is actually not the animation. It's the lag in the song every time it changes scenes. I thought it was going to be a minor detail but no. It was really hard not to notice. I personally take sound very seriously when I make flash animation so I criticise quite a bit the sound. Ignore me ;)
I like it and it was well done. It shows that there was effort put into it.