try watching the movie where DO DOES IT, then u can see how it can be done without photoshop, and man, now it seems, that every time something comes along that looks really good, all of a sudden its photo shop according to alot of people. i say dont diss if u dont arent posotive
ya if u look closer the edge of the mountain also has that
the background was probly the bottom layer and the rider and front mountain were added in on another layer