Learn how to combine several photos to create a dramatic ‘fallen angel’ scene.
Paste in a rough looking texture. I chose one of the ‘color fog’ textures
Stretch your texture to fit your canvas perfectly, and then call this layer ‘background texture’.
Now go to image>adjustments>hue/saturation. Reduce this layer’s saturation to -80.
Now go to image>adjustments>levels and apply the settings shown below. Reduce the layer’s opacity to around 20%.