If I were to promote the benefits of biking, I'd put a lady like this to ride around town... http://www.youtube.com/watch?v=pX6MtWRGW3M&feature=related No speeches about Global Warming or Road Safety would be necessary. Actually, she could advertise my T-****rts too... http://www.zazzle.com/bike_for_peace_ii_****rt-235363034463138037