I lived in a house with an elementary school bus stop in front, and the littering used to drive me nuts. So for parents reading this, teach those little creeps how to use a garbage can.
On the bright side though, one time 2 kids got into a scrap and one kid kicked the other kid's lunch bag and it busted open. Later on I went and collected the spoils of war. Free juice box and fruit roll-up for me!!