Previously, on my s5, my widget had pictures with a sunny grassy field, rain, lightning, snow, etc. Now there is nothing but the time and temp... Boring!!! I want my pictures back.
Which weather app did the S5 have? Just download it and you'll have your widgets back. There are also more widgets on the S8 but you'll need a 3rd party for pictures.
If the Weather Bug widget doesn't work out try Out Weather Now! All of the animations you described, you can use your own wallpaper and the animation will make it LIVE Wallpaper. Add widgets too.