Step 9
Next, scan in all of your doodles, drag them into your document, and stick them in a folder called ‘doodles’. Select a doodle’s layer, go to Image > Adjustments > Invert, set the blending mode to Screen, and play with its positioning. Repeat this for all your doodles.

Step 10
Go to http://tinyurl.com/6sbbsp, download the image and drag it onto a new layer called ‘nebula1’. Drag the layer to the top of the layer stack, and set the blending mode to Screen. Select Image > Adjustments > Brightness/Contrast and enter a brightness of 5 and a contrast of 50 respectively. Then select Image > Adjustments > Hue/Saturation and drop the hue to -90. Leave the other controls alone.

Step 11
Go to http://tinyurl.com/6jj2r4, download the image and drag it onto a new layer called ‘nebula2’. Change the blending mode to Screen and play with the colours. You can use any star field or space scene as a means of creating a bright and colourful textured overlay for your images. It’s just a matter of experimenting.