Why should this be included in the repository: A wallpaper collection for adapta-project. They suite really nice with the default Solus theme (Adapta).
Is it Open Source: Yes
How many users do you anticipate will use this software: A lot of people.
Link to source tarball/zip file: https://github.com/adapta-project/adapta-backgrounds/archive/0.5.2.2.tar.gz