Step 36

Apply Photo Filter to change color of the hill a little:

Step 37

Open sky 1 stock. Choose sky part and place it on the top (the black part), set this layer above the background and under underground group. I rotated it and tweaked it a little:

Use layer mask to remove unnecessary edges:

Step 38

To make sky look smoother, go to Filter-Noise-Dust & Scratches:

I named this layer "main part".

Step 39

Copy a part from sky stock and put it at the left side of the main part, resize to be smaller:

Remove hard edges of this part with layer mask:

I called this layer "part 2".

Step 40

Add another part from sky stock to our picture. I placed it at the top right, used layer mask, applied Dust & Scratches filter with same settings in step 38:

Step 41

Continue adding another sky part. Move it to the right corner of the sky, apply Dust & Scratches filter and layer mask:

Step 42

Make group for these sky parts, name it "sky 1" or whatever you want. Use Curves to change color of sky 1:

Apply erasing job on Curves layer mask:

Step 43

Make a Color Balance layer within this group:

Erase on Color Balance layer mask again with brush with opacity about 45%:

Step 44

To add more details to the sky, I used sky 2 stock. Place it over sky 1 and change the mode to Soft Light 100%:

Name this layer "sky 2".

Use layer mask to reduce some details of the sky 2:

Step 45

Apply Dust & Scratches filter with radius 2 px:

Step 46

I used a Color Balance layer for sky 2:

Step 47

Continue with a Selective Color layer:

Step 48

Darken the sky a little with Curves:

Step 49

I used a Levels layer to darken the sky 2 again. Then I erased the top center of the sky to keep it brighter than the sides:

Step 50

Make a new layer on the top of layers. Use soft white brush with 50% opacity to paint on the top center of the sky. Change the mode of this layer to Soft Light 100%:

Step 51

New layer and use soft brush with color #f7d17f to paint on the top center of sky again. Lower opacity of this layer to 30%:

Step 52

Open tree stock. Take its trunk and put it on the top of the hill after scaling:

Use layer mask to blend the tree with the grass:

Step 53

To make shadow for the tree on the hill, I created a layer under the tree one. Hold Cmd/Ctrl while clicking tree thumbnail layer to load its selection: