This tip will show you a method to create a cool "Neon Lights" texture.
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1.
Begin by creating a new document — the example is 128x128. Choose a light blue shade for the forground color and a dark blue shade for the background color.
2.
Now, go to Filter » Render » Clouds. Press CTRL+F several times until you get the clouds the way you like them.
3.
Next, we will make the "Neon Lights". Go to Filter » Artistic » Paint Daubs, and fill in the following values: Brush size=40, Sharpness=36, Brush Type=Sparkle.
That's it! You now have your neon texture — to make it seamless, go to Filter » Other » Offset, set it to Wrap Around and half the dimensions of your image. Use the Smudge Tool to blend the edges where you can see a seam.
