A new forest-themed wallpaper called Sequoia Sunrise has been added to macOS 15, but you can’t set it as your desktop wallpaper just yet - not via the official method, anyway.

Whether it's the kind of code that makes web sites like Lifehacker possible or a secret code that unlocks all your hopes and dreams, give codes in general their due with this week's wallpapers ...

Plash is a free app that will let you set any website as your Mac's wallpaper—and you'll even be able to interact with it like a live version of the site.

Overlap Wallpaper & PhotoJoy are free software that lets you display an image or photograph as an overlay on the top of your Windows desktop wallpaper.