Preview:
The script and usage instructions will be posted here later.
EDIT:
Download link (tested on FGFS v2.12 for windows and configured for Piper Cub):
https://drive.google.com/folderview?id=0B7ZpQgmbsSZGcTZ4SWQxa0FIUEU&usp=drive_web
Installation:
1. Put "fgcamera" folder into "../FlightGear/data/Nasal/";
2. Set "fgcamera_cfg.xml" as flightgear's config (use advanced settings of fgrun);
3. Copy contents of "/Cub" folder into "../FlightGear/data/Aircraft/Cub/". (Make copies of original files before overwriting).
Number keys 1, 2, 3, 4, 5 selects cameras. Key 8 toggles FGcamera on/off. Arrow keys and PageUp/PageDown keys moves camera.