Grunge Squares

1. Open a new 500 x 500 Document.

2. Create a new layer and fill it in with black.

3. Go to Filter > Render > Lens flare. ( 85%, 50-300mm Zoom ). Place it some where in the middle

4. Then go to Filter > Stylize > Wind ( Blast, From the LEFT )

5. Repeat this step only do it from the right this time.

6. Go to Filter > Distort > Wave (Type - Square). Click Randomize until desired effect is achieved

Now you can edit it yourself with colors from Hue & Saturation, then crop it and use it however.

My final result after Hue / Saturation:

Click to enlarge