Cars, cars, cars
Speaking of Citroën advertising (see the post about Suyling): you have to look at these interesting collections of car ephemera!
Advertisements designed by Suyling:
http://www.citroenami6.nl/suyling.html
… and much more car graphics:
http://www.citrobe.org/folders.htm
http://www.thesamba.com/vw/archives/ads/
http://www.mijnautofolders.nl/
Oh, and there is much more. Cars are great to look at and to design for!
Another example of car graphics on Flickr: car type!
http://www.flickr.com/photos/feltron/sets/72057594075645138/
And finally, I forgot this one:
http://www.oldcarbrochures.com/main.php