Hi FiableDotBiz,
Welcome to the Mageia Forum!

If ou are using
KDE:
Click the right mouse button on the desktop and select "Folder View Settings", and choose the images available or click in "Open" and select the image of your choice.

If you are using
Gnome (classic)Access "Application", "Tools", "System Tools", "System Settings", and in
Personal click "Background", and choose the images available or click the plus symbol and select the image of your choice.
