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:
Change the layer's colors now, situated lower, using
Image ? Adjustments ? Channel Mixer.
Make a copy of the lighter ornaments and the lowest one should be done totally white, selecting the
Channel Mixer.
Blur out this layer, using
Filter ? Blur ? Gaussian Blur.