Specifically, I'm wondering about the "Split", "Merge", and the group "Passthrough" modes. The only relevant Google answer is a paying video tutorial. Of course I have checked the online doc... _______________________________________________ gimp-developer-list mailing list List address: gimp-developer-list@xxxxxxxxx List membership: https://mail.gnome.org/mailman/listinfo/gimp-developer-list List archives: https://mail.gnome.org/archives/gimp-developer-list