The default desktop wallpaper for Ubuntu 16.10 Yakkety Yak has been unveiled. PNG-8, PNG-24, and the same for greyscale, along with mobile formatted ones are available for download.
The new desktop wallpaper looks not all that different from the previous releases’ wallpapers:
Here are the old releases wallpapers:
All the Ubuntu 16.10 default wallpaper version, provided by Will Cooke, is available for download at Bug #1621413.