You can change the look of things that appear on the screen by setting the style preference to light or dark. You can choose an image or wallpaper as your desktop background.
To switch between light and dark desktop styles:
Open the
Click
Click to choose
The setting is applied immediately.
To change the image used for your background:
Open the
Click
There are two ways to change the image used for your backgrounds:
Click one of the background images which are shipped with the system.
Some wallpapers change throughout the day. These wallpapers have a small clock icon in the bottom-right corner.
Click
The settings are applied immediately.
For another way to set one of your own photos as the background,
right-click on the image file in
Switch to an empty workspace to view your entire desktop.