Last time [Threshold Cat] was black and white. Today, the other end of the GIMP spectrum.
Arthur
(Because I’m going to wonder how I did this.)
Color > Color Balance, maximum color levels
Color > Hue-Saturation > maximum Saturation
Original
Milton
Color > Hue-Saturation > maximum Hue, Lightness & Saturation
Original
Strangely, the photo of Fire does not look wildly different after the Arthur treatment.
Original
Virtual Brush Box 