The NRDC video demonstrates the correct way to navigate your bike through heavy pedestrian traffic on the sidewalk.
State Farm Insurance shows us what it's like to "swap four wheels for two" in this ad, suggesting an excellent way to save money on insurance and gas prices! (Via, with numerous mentions all over the place.
Farmers Insurance demonstrates a cyclist wearing his business suit assertively taking his place in traffic, taking the lane and signaling his turns on his bike commute. The office worker rides a practical, small tire bike (prefect for multimodal commutes) equipped with fenders.
This more serious video is a cyclist instruction video on The Rights and Duties of Cyclists, from Cyclist View. The video shows cyclists making normal vehicular maneuvers including lane control, lane sharing, left and right turns, through movements and a freeway ramp crossing. This video is intended to show cyclists and motorists how it looks when cyclists act and are treated as vehicle drivers in normal urban traffic in the City of Long Beach, California. I've seen this video posted in a few places over the past few weeks, but I'll give props to Velo Chimp for the reminder.
The first time I saw the one where the guy is on the kids bike going through traffic it really ticked me off. It essentially says that bikes are toys and cars are "real" transportation...and who would ride a bike unless they were forced to due to a car wreck...I'm in the opposite position now :(