A while back, Vermont's Department of Environmental Conservation held a contest to solicit designs for their sticker campaign to raise awareness about invasive aquatic species. The winner was artist and college student Holly Thompson, and she's done a really nice job:
It's very pretty, and it's not exactly screaming "Vermont!" so it should have appeal for those of you living far from the Green Mountain state. If you are interested in purchasing a sticker, you can buy them for $10 each ($9 of which goes directly to invasive species control programs in Vermont) at this store. Each sticker comes with a free day-pass for two people to any Vermont state park.