There is some good quality movie footage taken in a Whitley cockpit…
In the DVD ‘Ferry Pilot’

http://www.amazon.co.uk/Imperial-War-Museum-Ferry-Pilot/dp/B0007NBJAK/ref=sr_1_1?ie=UTF8&s=dvd&qid=1272316458&sr=1-1

Made during WW2 and featuring actual ATA ferry pilots 🙂