Canadian Peter La is a former user interface specialist who's recently shifted over to concept art. He's done work for mobile games like Sushi Smash and the gorgeous puzzle game Nuculus, but really, saying he's just a casual games artist is really selling his talents short.
Those more ethereal sci-fi pieces below are some of the most beautiful we've ever featured here. Really top shelf stuff.
To see the larger pics in all their glory (or, if they're big enough, so you can save them as wallpaper), right-click on them below and select "open in new tab".