Some of my favorite cartoons growing up were the war propaganda ones, especially Bugs Bunny dealing with gremlins. Its rather sad they no longer show those. On this topic I did a bit of research and found some decent sites with info. Some contain pictures, mostly of USAAF units, using the designed insignias.
http://toonsatwar.blogspot.com/
http://2719hyperion.blogspot.com/p/s...world-war.html
http://www.nplainfield.org/domain/984