A group of people ride skateboards at a skate park. 
A composite image of a skateboarder in yellow; the image shows the skateboarder in 7 different positions from left to right as he goes from a crouched position to a jump and back down again. 
A picture of a man in different positions while skateboarding on a ramp. 
The image shows the progression of a jumping skateboarder.
Combined images of skateboarder performing a stunt in a skate park.