This two Wallpapers for Pisi Linux are made from the Artworker SapphireGD.
They make Artwork for a lot of Linux Distributions such as : ArchLinux, Chakra, CrunchBang, KaOS, Linux Mint, Debian and Pisi Linux.
They make a great and good work for all.

Take a look at her Homepage:

http://www.sapphiregd.com/

or on her g+ page:

https://plus.google.com/+SapphireGD/posts

Note: The Homepage from Sapphire is in Spanish Language but when you have a Question she speak English to it's no Problem.