Painting of a horse with a rainbow mane and tail running through the sky

8k, RAW photo, realistic, photo-realistic, hyper-realistic, highest quality, best quality, masterpiece, highly detailed, absurdres, masterpiece, best quality, (extremely detailed CG unity 8k wallpaper, masterpiece, best quality, ultra-detailed, best shadow), (detailed background), (beautiful detailed face, beautiful detailed eyes), High contrast, (best illumination), 1girl, Australian, multicoloured hair, beautiful, ((colourful paint splashes on transparent background, dulux)), ((caustic)), dynamic angle,beautiful detailed glow,full body, cowboy shot,