Now we have to merge down all the grouped layers, except the background's one, using the next combination: Layer – Merge Down (ctrl+e). Make a copy of the new layer: Layer – Duplicate Layer (ctrl+j) and select the commands Edit – Free Transform (ctrl+t) and Edit – Transform – Distort to change the size and the copy's layer's placement. Then situate the layer under the basic layer, containing the ornaments:

computer free desktop wallpaper

Change the layer's colors now, situated lower, using Image
– Adjustments – Channel Mixer
.

computer free desktop wallpaper

Make a copy of the lighter ornaments and the lowest one should be done totally white, selecting the Channel Mixer.

computer free desktop wallpaper

Blur out this layer, using Filter – Blur – Gaussian Blur.

computer free desktop wallpaper