The Yes Men, that group of tree-hugging pranksters that enjoys embarrassing misbehaving corporations, has done it again. Their target this time? Shell Oil Company. The ruse involved a video that went viral last Friday, a fake "Arctic Ready" website, and a social media campaign -- ostensibly organized by the Shell marketing team, but really a product of The Yes Men and Greenpeace. They encouraged people to write advertising slogans to accompany picturesque Arctic backdrops -- except of course, the crowd-sourced keyboards belonged to polar bear sympathizers, rather than the drill-baby-drill set.

While a genuine PR disaster for the oil giant would have been funnier, the imposters’ campaign did generate a few well-deserved chuckles. Here are some of my favorites: