Just stumbled into this website -
http://adsoftheworld.com/ with all sorts of ads. If your'e into that kind of thing - which I apparently am.
Here's a really cute one I thought was funny...
http://adsoftheworld.com/files/images/grey.jpg
Recent winners which I imagine are all pretty good - I'm just getting into it...
http://adsoftheworld.com/cannes_lions_2007_winners