Light Flow

4) Now change the Layer Blending Mode to Screen, and press ctrl+u to change to a colour.

5) Here is where the real fun happens. Duplicate that layer, and on the new layer do a filter>distort>wave with something like the settings here:



6) You should have some sort of cool design. What you'll need to do is repeat step 5 many time, experimenting with settings, but more importantly moving the duplicated layer. But doing this you'll let the lens flare be hit by different waves.

7) Keep on repeating these steps until you finally come out with something like this:

Note: that ctrl+f repeats last filer applied

Note: that if you repeat a the same wave on the wave on the same flare many times you'll get extending flows.