Hii!! Another Background ;) Its Easy
How to make a cool effect in 10 steps :P
1.- Make a New Document 400x400 px
2.- Press D to reset Colours
3.- Take the graddient tool and the presets have to be like this:

4.- Do around 30-50 lines all around the document.. it have to be like this:

5.- Then use: Filter > Stylize > Find Edges
6.- Press Ctrl+I to invert

7.- Now Add some Hue/Saturation - Colorize.. I use this presets:
Hue: 250
Saturation: 25
Lightness: 0
8.- Then Duplicate the Layer
9.- Go and do the next: Filter > Sketch > Chrome
Detail = 3
Smothness = 6
10.- Then Set thelayer to 60% Opacity and Blend in Color Dodge and merge Down!!!
:lol: Its done here is the final result:

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