Desktop Wallpaper of the Week: This dynamic image is derived from an original I downloaded at gamewallpapers.com. I had been experimenting with Photoshop to learn how to selectively grayscale an image - which is something I’d been wanting to suss out for some time - and this is the result. I’m pleased with it, but what do you think?

You can download the full-size version here (1,280 × 1,024 pixels).