Click Image ---> Adjustments ---> Treshold. songesha a little cursor to increase/decrease visibility.
Click on your background image on the panel on the right and instead of normal choose screen,lighten au similar.
Before wewe do that, wewe need to unlock background layer. You're going to do that kwa double clicking little lock on the background layer. Then add textures.
In this Elena photo, I used a link link ilitumwa to this spot.