My particular favorite macOS wallpaper is the Mac OS X 10.5 Leopard wallpaper, featuring the colorful galaxy design: Complete with a revised, unified user interface and shiny new Dock, 10.5 broke ...

But most of the older wallpapers were never really designed to be used on a higher-resolution screen, so if you’ve been looking to use the classic Aqua wallpaper from OS 10.3 Panther or 10.5 ...