The 1945 Mexican film "Escuadron 201" is up on YouTube now:
http://www.youtube.com/watch?v=CCGYXGGI ... CE78A2F0A4Lots and lots of AT-6s (playing themselves and Zeros), some BT-13s, some AT-11s (flown on bombing missions against the Japanese!) and a model B-25 in a crash scene; but no P-47s except in what looks like newsreel footage shot at Majors AAF at Greenville, TX (that's at 4:48 in Part 6).