It's not just snaps that take a lot of work, and are then almost immediately forgotten. Such is the lot of those of us who have the addiction. ;-(
Come to think of it, perhaps the ones (posters) I remember best are for "The man with the golden arm" and the one for Courvoisier cognac - by Adrian Flowers, I think, on 35mm film. He showed how effective small formats could be laying down mood. Ditto Sarah Moon and Mateus Rose...