Yes, this is s t o c k.Please link back and give credit where credit is due, though.
Feel free to use it!
I was going to use this background, but I decided I didn't want to. Rather than deleting a perfectly fine background though, I figured I should upload it and give people a chance to use it in their own work. So, I hope it sparks some creativity. S t o c kHillside: [link]