La Grande Vague by Joel Guenoun. Beautiful art themed on the Japanese flag - profit from sales go to support Red Cross efforts in Japan.
Portland State University's Friends of Graphic Design – Student Show poster, 2009 - The added cut outs to the font makes what could be a boring flyer, an unmissable one.
Typography is becoming the new black even in print advertising. For your inspiration, here are 30 creative typography poster ads from around the web.