Transport for London (London's dept. of tranportation/streets) is promoting cycling through a series of adverts. http://www.tfl.gov.uk/cycles/press-releases/2005/apr/18th.shtml

They've got a series of 3 targeting "young professionals", "youths" (with BMXers and women looking to pick up men, and "families" . Cheezy, but cool that they are actually trying to promote cycling as a way of improving quality of life and decreasing congestion in the city.

via Velorution: http://www.velorution.biz/?p=886