Upper left: Cameraphone video from Yellow Line train crossing the 14th Street Bridge over the Potomac River from VA to DC at sunset.

Upper right: Cameraphone video of random guy juggling three colored balls on a Blue Line train between McPherson Square and Metro Center.

Bottom: Zoetrope-style tunnel ad for Speed Racer, viewed from a Red Line train going at reduced speed between Metro Center and Gallery Place/Chinatown.

Update: Woot, the Speed Racer tunnel ad got mentioned in DCist, along with some props to my other contributions to the DCist video pool.