If I was still in the midst of my ruff n' tumble, rowdy teenage days,* I'd be taggin' the "Never Forget" sauropod all over. Apparently, they almost exclusively occur in Granville Island, Vancouver.
By flickr user oblique
By flickr user mlaaker
But here's one from the UK, with a different design, a brachiosaur.
By flickr user demosthien
*Ruff n' tumble, rowdy teenage days not guaranteed to have actually occurred.