I used levels and layer mask to create the car shadow.
step 8 of 18
Clone the spare wheel to make the incompleted wheel.
step 9 of 18
Use motion blur to make the feel of movement. Apply vertical blur.
step 10 of 18
Masking the house
step 11 of 18
Use vanishing point to draw the bottom of house.
step 12 of 18
Make the exhaust hole using elliptical marquee tool and gradient with the appropriate colors. Use blur tool to blur the edges.
step 13 of 18
Placing the house in the field. Take care with the perspective.
step 14 of 18
Draw this form to make the chain brush. Edit -> define brush preset.
step 15 of 18
Use brush presets to create your own chain brush. Use brush tip shape dynamics for spacing, and shape dynamics for angle, use direction in control of angle jitter.
step 16 of 18
Draw chains.
step 17 of 18
Skech the blocks.
step 18 of 18
Draw the concrete blocks, use blur tool to blur the edges.Finally, do some adjust leves, add photo filter, add some shadows, unsharp. I used the filter high pass to unsharp. Use ctrl alt shift E to merge all layers in a new layer, then: filter --> other --> High pass, and put the layer in overlay blend mode.