Now merge the layers - create the copy of each first. This you get what you see on the background. The glow is visible now because when you merged the layers you had different blending modes.



It's ok.



Now to create a wave just apply the wave ) filter in Filters>Distort>Wave.



This is what we get.



Make several copies of it because we will need it.



Apply motion blur to one of them and put it to the background.



To others you can change the layer modes to reach contrasted color.



Making the copies of it and changing the opacity may give you the feeling of depth - because we have layers here).



To pop out an object use the highlighted contour.



And here is our final image - we have saturated red glowing object on the foreground; multi-layer background wave, only a little bit of text to complete the picture.







And our wallpaper or design, call it what you like, is finished now.