Nice!
G'day
Ok, First of all let me say goodwork. You have certainly come a long way since "Get Back" (Although I liked "get back" the song better). You have got the character design almost perfect, the shapes of the faces look good and you used some effective angles. But, I would suggest that in the future you attempt some shading, honestly it adds so much to animations especially if you can use the shadows to emphasise expression. Also you're animation is a bit choppy but don't worry about that, it will become smoother in time.
When all the people get off the subway and they move past the main character, they just look like two blobs moving past him. This would be easily solved if you made the "blobs" animated slightly. Just 3 or 4 frames would do, slowly changing and perhaps have one person trailing behind the pack slightly. Finally near the start of the show when the chick approaches him, you swap to a silouette view and you used gradients. Well obviously I can't tell you how to animate you're stuff but I strongly suggest that you don't use gradients in the future to do this kind of thing. In my humble opinion it makes the flash look messy and would improve tremendously if you just used plain black with a blur. If you want an example of really good quality silouettes in flash, I suggest you check out either the opening scenes of the composer or valhalla knights.
Well, I hape that's been helpful. Sorry If I was too harsh, like I say it was really good.
Hayden Browne