I jsut stumbled upon this site, dealing with the various airforces existent during WW2. What made it especially intereseting to me was that some "minor" naitons were covered as well, even some who did not take part in the war as such. It's main topic are airforces and their uniforms, including badges and awards to some extent. Coverage varies from a few pictures of some airforce badges up to detailed photographical documentation.

Sadly the site has some internal dead links, but apart from that, it looked nice to me