This wallpaper was inspired by wonderful Ubuntu phone design. If you like to change anything in the wallpaper, here is SVG file I've made: inspire.svg and it's licences under Creative Commons Attribution. Just mention my site when you use it.
This is just a preview of the wallpaper. Please select your resolution and download for better quality. If you are generous, you can pay what you want for it. If you need some resolution which is not listed, let me know.