https://www.skillshare.com/en/classes/make-it-move-animate-a-still-frame-in-adobe-photoshop/1823080267

  Add movement to a single still frame—with Photoshop!  In this short class you'll take a single photo, separate the subject from the background (the sky in this case), and bring the image to life by animating the clouds! It's a great introduction to simple animation using just two basic keyframes.  When you're finished, you can export to MP4 for a video file, or to GIF for web animation!