How to make a Van Gough-Like background in GIMP

http://youtu.be/G7e4NYovUkM

How to make a Van Gough background in GIMP, with lots of colors. There is a new tutorial at my website — It’s how to make spirals in GIMP. Like a ray of light circling a person. www.gimpknowshow.webs.com.
I encourage you to go there, we have a forum! We already have around 20 people posting, join in!.
-GimpKnowHow