I can't get enough of Greenpeace's very creative Send a Whale petition get Japan to stop their whale hunting ways.
My boss Joel mentioned how it was interesting that they set it up so that you have to sign the petition before you can create your personalized origami whale, and I totally agree. A great incentive to get people to take the time to fill out a form. Seems to be a hit so far with 38,000+ having already signed the petition. I also dig the Facebook application to show off your very own whale.
Here is my whale- Sir Spout's A Lot: