Prompt

Ultra realistic smartphone video generated from the input photo. A man riding a horse slowly in the countryside. Keep exactly the same person, same clothes, same horse and the same environment as in the original photo. Looks like it was casually filmed with a smartphone for Snapchat. Natural daylight, handheld phone camera movement, slight camera shake, natural horse walking motion, autofocus adjustments, realistic shadows, subtle digital noise, slight compression, authentic phone camera quality, vertical social media video, 5 seconds. Do not change clothes, do not change location, keep the same horse and background. slight phone camera exposure change, natural wind in grass, imperfect handheld filming