In latest DesktopManager (available from catalog) package you can now also easily choose a background picture
from the “Bing.com” collection in a custom spotter and apply it to the current desktop.
See the attached screenshot for an example.
The magic key combination is to hit CTRL+ D (like Desktop) followed by CTRL+B (like Background)
There is also
CTRL + D followed by CTRL + D — “Desktop Display” to display all desktops
CTRL + D followed by CTRL + A — “Desktop Add” to add a new desktop
CTRL + D followed by CTRL + N — “Desktop Next” to go to next desktop
CTRL + D followed by CTRL + P — “Desktop Previous” to go to previous desktop