This image started out as a train going down the track-I did an invert of color and a color saturation thru Color Efex,then I did a polar co-ordinate on it and then finally I added a lens flare for the sun . I thought it looked like a futuristic world inside a bubble!
i was thinking the same as dave in regards to the lens flare. nice addition. i found that last week and had a blast playing around with it! you do a fantastic job of getting rid of the seam from polar coordinates. it really makes it nice that way!!