Magdeleine - Magdeleine is a stock photos website offering thousands of royalty-free, high-quality photos for personal and commercial projects.

Wallhaven - Your source for the best high quality wallpapers on the Net!

Openverse - Openverse is an Openly Licensed Images and Audio database and a growing community of photographers, illustrators, and musicians who share their work under a Creative Commons license.

InterfaceLIFT - High-resolution widescreen wallpapers, desktop icons, and themes for Mac OS X, Microsoft Windows...

Reshot - Tons of uniquely free stock photos. Handpicked & non-stocky

Simple Desktops - A collection of wallpapers designed to make your computer beautiful without distraction.