Try this:
http://www.zavvi.com/dvd/gun-camera-...2/9999197.html
It is very basic: no narration, but interesting footage from all fronts. Some colour film and some straffing footage. Prob. give it about 7/10.
Flypast magazine were very po-faced about the DVD when it came out some years ago, their reviewer saying it was in bad taste. They seem to think WW2 was just about shiny, restored aircraft.