The default desktop wallpaper for Ubuntu 16.04 Xenial Xerus, the next LTS release, has been unveiled. Grayscale versions are in progress.
The new default wallpapers from Grazina in the design team looks not all that different from the previous 15.10 and 15.04′s wallpapers.
Here are the default wallpapers for Ubuntu 15.10 and Ubuntu 15.04:
Download the wallpapers from link below: