Best of the best wallpapers for your phone
This app can help you with that. This app contains only the best of the best wallpapers and that too with free images means you copy, modify, distribute and use even for commercial purposes, all without asking permission!
The images are focused mainly on nature and peace, so you will only find the ones in that category.
Also, there is a feature for automatically changing wallpaper at the given interval.
You can also crop and set or download wallpaper according to your need.