2 flashes. One mimicking the sunlight high on the right at the back, one down low in front of the rock to the left with a small snoot on it to control the light.
He's not, it's a bit of a fading square corner and I wanted it to look aggressive. I think it works, sometimes riding isn't comfortable, especially trying to rail a hard corner on an all mountain bike with a steeper head angle and a smaller fork. But it is possible...