Step 5
Remember the blurred text image you made earlier? Try making that the alpha channel of the main image. This solves the problem of the background being shifted, but lessens the effect considerably. What we need to do is increase the power of the alpha channel, so that more of the effect shows through. I`m going to switch to the alpha image, set the colour to white, and fill the paint layer with the Dodge paint mode.
This gives the effect below.