Dashboard with dynamically background

[PickOne]

This is the only solution till now… Which is an outdated addon

Lovelace: Animated Background based on entity state

https://i.imgur.com/0AHjzeF.jpg(image larger than 3072KB) After using this card for a while, I decided it was a bit too hacky for my taste and it made formatting a card layout a nightmare. I took the concept and merged it with ideas from compact-custom-header to make their lovechild that you see here today. This module allows you to update your lovelace background with animated backgrounds based on an entity’s state. If you don’t want to update based on an entity’s sta…

Maybe you can try this fork

GitHub - TRusselo/lovelace-animated-background: Animated backgrounds for...