Well, i hope you've got some christmas money left so you could donate
it to greenpeace or buy this book of an outstanding graffiti artist called cap.
He is from Prague and developed a lot of simple and creative ideas with his letters C-A and -P.
Besides the walls he painted, he also had a short walk through the freights, especially the old models from Czechia.

Just check this short PDF preview to form your own opinion.
You are able to purchase the book at