Using these settings you should get this:

Step 15 - Up the Contrast

Go to Image > Adjustments > Brightness/Contrast and move the contrast to the highest level possible.

Step 16 - Colorize

Go to Image > Adjustments > Hue/Saturation and move the mimic the settings below.

Step 17 - Checkpoint

Just look at your layers palette and make sure that your layers are like this (order and number of layers should be the same as this). Then, set the blending mode for the layer "lens flare" to linear dodge (add).

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Step 18 - Another Lens Flare

Duplicate the Layer (control/command + J) and press (control/command + T). Shrink the height and expand the width of this flare to either side (try to copy the picture below).

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Step 19 - Blur It

Go to Filter > Blur > Gaussian Blur, and apply a blur of about 7px.

Step 20 - Center It

Move the flattened and elongated lens flare up to the center line.

Step 21 - Center Gradient

Create a new layer (Layer > New > Layer), and select your gradient tool. Choose the reflected gradient option, and using a blue foreground (I used #216a82), create a foreground to transparent gradient from the center. To do this correctly, you will want to start in the center and click and drag to either the top or the bottom. When you're done, se this layer to 50% opacity.

Step 22 - Creating the Grid! -- A

Create a new layer (Layer > New > Layer), and set the background to black (this is so you can see what you're doing... DO NOT put anything on this layer in later steps besides the black color that is already there!). Press (U) and select the rounded rectangle tool. Set the radius to 50 px. Also make sure that you're on paths, not shapes.

Step 23 - Creating the Grid! -- B

Holding shift to ensure that your drawing perfect squares, create a rounded rectangle like the one below.

Step 24 - Creating the Grid! -- C

Create a new layer (Layer > New > Layer), name it "grid", and make white your foreground color. Right click in the box and select fill path.

Step 25 - Creating the Grid! -- D

You should see this. Then click (Ctrl+H) to hide the path.

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Step 26 - Creating the Grid! -- E

Select the layer contents (instructions on how to do this are on step 13)

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Step 27 - Creating the Grid! -- F

Go to Select > Modify > Contract, and choose 25px. If your squares are a little smaller or larger than mine, and this doesn't look good with these settings, than adjust as necessary.