Two poor quality videos:
A video of the kit before installation:
http://www.youtube.com/watch?v=Me4K6lozFKk
A vid of the bike in motion on a bike path:
http://www.youtube.com/watch?v=DKM7Jnbq5H4
Some stats on the bike if you care:
Motor and controller:
Volts, amps, watts: 36-72V , 30A...