04-05-2018, 07:57 PM
Just to add a little to what Rich said.
1) grayscale gbr is correct. Black will be foreground colour. White will be transparent.
2) Have a look at presets: https://docs.gimp.org/en/gimp-tools-presets.html
1) grayscale gbr is correct. Black will be foreground colour. White will be transparent.
2) Have a look at presets: https://docs.gimp.org/en/gimp-tools-presets.html