Duplicate the background image
A background image modified by selecting the heaven, the house and filled it with "fill content aware". I had to do it about three times so that everything is covered with grass
Joined the two bottom layers, and pres the button that is underneath the layers to apply a Gradient Map,
step 7 of 8
Well, here I used the drawing tool, drawing shapes. Select some layer styles that I found interesting, and each went her way of adding a lot out there. Automatically creates layers each time you draw a new shape. so it is not so complex and the results looked good.
step 8 of 8
Finally put it all together, add some light to the brush 50 / 50 in soft light mode, and voila!
Thanks for your patience, if not understood something you can ask me, I will try to help.