I'm off working for a living and due to that I'm not able to help Claymore. Besides Clay has worked real hard on his fantastic Fw revamping project and on the D.520 and consequently he is a bit burned by IL2 modding right now. As stated above: he needs a little vacation. And he deserves it..../...
Don't let the lack of cockpit hold you up. A lot of us fly as Germans and would be happy to fly against an AI-only D.520 until the cockpit was ready.