The collection currently boasts 30 wallpapers, all free to download. And with a standard resolution of 2,560 x 1,600, they'll fit nicely on even the highest-resolution monitors.
Not sure how to turn one of these beauties into your desktop background? Click the one you want, then right-click the image and choose Set as Background (or Set as Desktop Background if you're using Firefox). That's all there is to it. Enjoy! I know I am. [via Digital Inspiration]