GIMP: Making a 'Balanced' Texture v2.70 (.pdf) for FS9, FSX (FSX: SE) & P3D.
A PDF file containing instructions for v2.10.xx (64-bit) Only.
How to... either subdue or remove highlights and shadows from your textures. What some people could call an albedo map.
GIMP (v2.10.10 & Later):
⦁ GIMP-DDS Plugin (32-bit or 64-bit “.zip” File). The internal version of the DDS Plugin is incomplete!
⦁ Found: https://code.google.com/archive/p/gimp-dds/downloads ⦁ Install: Drive:\Program Files\GIMP 2\lib\gimp\2.0\plug-ins
⦁ An internal version of the High Pass Filter is already installed in the software.