/schemas/desktop/gnome/thumbnailers/image@sif/enable /desktop/gnome/thumbnailers/image@sif/enable synfigstudio bool true enable Enable this thumbnailer. /schemas/desktop/gnome/thumbnailers/image@sif/command /desktop/gnome/thumbnailers/image@sif/command synfigstudio string synfig -w %s -h %s %i -o %o -t png --time 0 Invoke Synfig as Thumbnailer Invokes Synfig as a gnome thumbnailer for image/sif files