Original image
step 1 of 16
The stars were duplicated various times and their positions were changed slightly to create the illusion of a larger amount of stars
step 2 of 16
The deep space brushes were used
step 3 of 16
The cliff top was extracted, important and flipped vertically
step 4 of 16
The different lighting from the two deep space brushes were added in the form of Colour Balance adjustments
step 5 of 16
This is the image with the correct lighting
step 6 of 16
This is my layers palatte at this point
step 7 of 16
A border around the selection of the cliff top was added
step 8 of 16
The border was 6 pixels
step 9 of 16
gaussian blur was now added to soften the edges of the cliff top
step 10 of 16
The cathedral was added
step 11 of 16
This is my layers palatte at this point
step 12 of 16
a shadow was added
step 13 of 16
water brushes were added
step 14 of 16
tree brushes were added and a shadow was created
step 15 of 16
this is my layers palatte at this point
step 16 of 16
That's it!
Final result
