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Part Three! Little Things.

Make an selection on the "Background" Layer, Like this.

Copy and paste "CTRL+C and CTRL+V" then make a selection on the new layer that you just pasted.

Go to "Filter -> Render -> Lens Flare"
Options:

Drag the layer to the top of the layers

Make it to Color Dodge.

Select a round circle with 10 px feather.

Press "Shift+Ctrl+I" to invert selection. and press delete.

And add them where you want them. :)

Select the glas shine.

Dublicate the layer that you are working on, and resize it.

Final Result:

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