Make skin look perfect in one-click with these AI-powered Photoshop actions.
Place the rock image again into our working document and set this layer above the two previous ones. Use Ctrl+T to resize it to be much smaller and move it on the left of the existing rock parts.
Add a mask to this layer and use both hard and soft black brush to remove the top right and the left of this part as shown below:
Make a Curves adjustment layer to darken this rock part. Paint on the top right of this rock image to reveal some lightness there.
Create a Levels adjustment layer to darken this part more.
Make a new layer, change the mode to Overlay 100% and fill with 50% gray. Use the Dodge and Burn Tool to refine the light and shadow on the right of this part.
Place the rock image again below the road and move it in the lower position than the previous ones. Use a layer mask to remove the part outside the road.
Create a Curves adjustment layer to darken the rock. On this layer mask, paint on the right to reveal some lightness there.
Make another Curves adjustment layer to make the rock darker. and mask off the right contour .
Add another Curves adjustment layer to brighten the right. Paint on the left to keep its shadow and contrast.
Make a new layer, change the mode to Overlay 100% and fill with 50% gray. Use the Dodge and Burn Tool to paint more shadow and light for this rock part.
Continue using this rock part to add to the bottom left below the road.
Select all the rock layers below the road and hit Ctrl+G to make a group for them. Change this group mode to Normal 100% and make a Hue/Saturation adjustment layer within this group to desaturate the rock parts.
Open the grass image and use the Polygonal Lasso Tool (L) to select the grass part to add to the road on the foreground. Use Ctrl+T to rotate it a little to fit the form of the road. Use a layer mask to remove the sides of this grass part.
Duplicate this grass image several times , also take different parts from the original image to add to fill in the road. I've used the Puppet Warp (Edit > Transform > Puppet Warp) to bend some parts to fit the form of the road.