Hey there,
I don't have a clue how textures are usually saved as when it comes to DDS formating within these programs GIMP & AMD Compressonator. More pacifically in GIMP!
Diffuse map / or how I understand the major color texture: how is it saved uncompressed or compressed and what format. For gimp there is RGB8 and then some more within the list to choose...
Same goes for the normal maps, as I understand end with _msn for Skrim: What format would they go to.
Then there are