Use Dark-mode everywhere, but when it comes to wallpapers, Be smart and use Lighter ones.
Oled Deep Black Wallpapers are also available in oled directory.
You might want to look at my script d-walls
Which chooses random wallpaper from given directory and sets it as background wallpaper.
You can even make script to loop so it changes random wallpaper every hour or so…
Most of the wallpapers are from WallHaven, Reddit, Some are from Distrotube’s repo.