7. Mark out on the options' bar the Radial Gradient.



Represent after that a gradient's line.





Open the Gaussian Blur (the menu Filter > Blur > Gaussian Blur) and insert the 20 value in the Radius field.



8. Change the layer's Blending Mode with the rainbow circle on Screen. Using Move Tool you can place the rainbow on any part of the image.



9. Use Gradient Tool again and select the gradient preview on the options' bar and click again on the small black pointer, choosing this time the Reset Gradients. Find the Foreground to Transparent



but on the options' bar we must mark out the Linear Gradient.



Draw a line with the same tool from the bottom to the top part just to damp down the lowest part of the rainbow.





10. Erase the unnecessary parts of the rainbow, applying the Eraser Tool.



11. Let's create now the rainbow imitation. Create New Layer and fill it with white color.

12. Insert now the noises, using the Add Noise filter. The Amount parameter must have the value of 100. Mark out the Uniform mode and tick on the Monochromatic.



13. Select in the menu Image > Adjustments > Levels, moving the black slider on a quarter of the axe.



14. Blur out the noises, applying the Gaussian Blur selection out of the Blur group. The Radius option 0.8 pixel.



15. Let the picture through the Motion Blur filter, changing the Angle parameter on 60 and the Distance on 60.



16. Apply after that the Plastic Wrap filter of the Artistic group. Give it the next parameters: Highlight Strength — 20, Detail — 14, Smoothness — 3.



17. Open up Filter > Other > High Pass. Select for the Radius the value of 70.



18. Finally lay over the Motion Blur filter with the same parameters mentioned above, changing the layer's Blending Mode on Hard Light and Opacity - 20%.



Experiment On!