KG Painting with light!

here are some pics of the KG.. i shot these in my garage as i just learnt about painting with Light and wanted to try it out

[img]https://farm9.staticflickr.com/8245/8627223570_474639fb86_b.jpg[/img]
DSC_0017 by rickpereira_01, on Flickr

Please explain? Obviously something to do with exposure time?
Really cool photo though.

owww love that ghia,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
those light surrounds look like early model light surrounds,

Thanks guys..

it was a 30 second exposure in a dark garage and the car is then highlighted with a torch or something similar.