You can also add the .tga extension to the .window file texture links to force it to use tga. If tga and dds are present, and no extension is specified, dds will be used.
brush
name "BottomWindowBackdropTech"
content "Simple"
fileName "Skin_Tech"
pixelBox [ 0 , 384 , 1024 , 128 ]
brush
name "BottomWindowBackdropTech"
content "Simple"
fileName "Skin_Tech.tga"
pixelBox [ 0 , 384 , 1024 , 128 ]
brush
name "BottomWindowBackdropTech"
content "Simple"
fileName "Skin_Tech.dds"
pixelBox [ 0 , 384 , 1024 , 128 ]
are all valid
TGA is nice to work on while editing, you can change and see changes on the fly without converting to compressed DDS. Once it's finalized, you may want to compress to dds to save RAM. Use find and replace
Find .tga"
Replace "