It would be great to have a Configuration Profile to set and lock the wallpaper to iOS devices automatically, rather than sending Remote Commands.
For newly enrolled devices, we would need to do this manually and cannot scope to devices that already has wallpaper set.
As of the Casper Suite 9.96, Wallpaper can be set as part of any Smart Mobile Device Group. Navigate to the Automated Management tab to utilize the new feature. Automated Management will occur based on a device becoming a member of a Smart Group and re-enrollment of devices that are already Smart Group members. We look forward to your feedback on this new feature!