Blur effect

This is what I've studied in class. I'm very interested in the blur effect and the history brush tool. These are some simple images using that tool and blur effect.

Using Filter -> Blur -> Radial Blur -> Spin and History Brush

The original image



My work



Using Filter -> Blur -> Radial Blur -> Zoom

The original image



My work



These are just really simple moves that I believe that all of you can do. But I hope the idea somehow starts some great ideas in you.

source: www.carwalls.com