Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.

...If its in DDS, just open it in DXTBmp.exe, send to your graphics editor, flip vertically (dont rotate) ...

Sure?
I think I made some FSX A2A Mustang repaints work in FS9 by flipping them horizontally (around the lateral axis)...