Most of them are French. Favourite artists include Herve Morvan, Jean Colin, Bernard Villemot and Lefor Openo.
You'll probably be familiar with some of their work already. Villemot did a lot of those very famous Orangina adds and Herve Morvan did the illustrations for Banania which is I think the French equivalent of Nesquick. I would really like to do a bit more research on this lot, one day hopefully I'll get the time. These few images here are by Herve Morvan and they are really just a taster - this is definitely a topic I'll be returning to.