[Ratblaster]

Riding the bus is patriotic.
Bus riders are better lovers.
Real men ride the bus.
Cars are for losers.
Bus riders are smarter.
Bus riders are better people.
Bus riders love puppies, kittens, dolphins, and unicorns.

[Ratblaster]

America has too much freedom, and not enough buses.

Happiness is mass transit.

[jmcenanly]

Nice slogans, but you would need your own bumper to put the sticker on.