See the gallery for tag and special word "Litter". You can to use those 8 images of quotes as a desktop wallpapers.
I see litter as part of a long continuum of anti-social behaviour.Tags: Behaviour, Continuum ✍ Author: Bill Bryson
There aren't many things that are universally cool, and it's cool not to litter. I'd never do it.Tags: Cool ✍ Author: Matthew McConaughey