Done in Photoshop, about 6 hours.
You can find the tutorial below
*This photo is not stock, it is intended to be used for your desktop only, and is not to be used or redistributed without my permission*
My images aren't stock and are not to be used without my permission. How ever, my image is barely recognizable in your work, and I don't see it getting a lot of views so I will allow it. I do ask that you link my picture in the description.