This is a pretty weird ass 'vortex' or 'void' type of abstract effect.

Step 1

Create a new image. Render clouds, then difference clouds. Invert colors. It should look similar to above (this is the lightning tutorial in a nutshell).

Step 2

Duplicate your layer. Use the twirl filter with the above settings.

Step 3
->
Double click your second layer. Use the above blending settings, then merge down. It should look similar to above.

Step 4

Duplicate the layer. Use the pinch filter with the above settings.

Step 5

Double click your second layer, and use the above blending settings. Press CTRL+U, check colorize and mess around to get the colors you want.

Final Product

Creates a cool abstract vortex effect.