IMPORTANT: [2023-09-25] This repo has not been updated for macOS 14 Sonoma. The last supported version is macOS 13 Ventura.
The scripts set-desktop-mojave.sh, set-desktop-catalina.sh and set-desktop-big-sur.sh have been removed from the repo in favour of set-desktop.sh which can be used for all macOS versions since macOS 10.14 Mojave.
See A Comparison of Apple-supplied Desktop Images Since macOS 10.14 Mojave
Information on macOS 13 Ventura version.
Information on macOS 12 Monterey version.
Information on macOS 11 Big Sur version.
Information on macOS 10.15 Catalina version
Information on macOS 10.14 Mojave version