Kaitlin Sanders commented
I have an idea, it would be awesome if you can put anything from your gallery on pc or on your mobile device as a background. It would be very awesome if there is a security check on pictures if there's something wrong or inappropriate on the picture.
Audrey Hughes commented
Preview of Custom Backgrounds should represent the view that others will see. My custom background was "flipped" in the preview mode, even though it looked fine to everyone else (i.e., the logo was not really backwards). Fix PREVIEW