Create a new document with those dimensions and a 72pp of resolution
step 2 of 19
Import the tree, maximize it and put it to the left, make a selection of the trunk
step 3 of 19
Remove the tree branch and use the clone tool to remove the part of branch within the trunk
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Then duplicate it, desaturate the copy and set the blending mode to multiply
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Import the girl, make an accurate selection of her and set this layer below the tree. Enlarge the girl's size until it fits best with the tree
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Now add the hill, set it above the girl's layer and take a selection without the graves on it, Choose only the grass. Then duplicate it, desaturate, and set it to soft light at 64%.
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Add the grave, set it above the Hill's layer, duplicate again, desaturate, and set to darken at 53%
step 8 of 19
Set, duplicate, and desaturate the pink daisy to multiply it with a 77%
step 9 of 19
Add the sky and set it on the bottom of the layers palette.
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step 11 of 19
Here it is, now set it to overlay
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Here's the result
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step 14 of 19
Here it is, I applied some motion blur on it.
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Set the fog to overlay 68%, the open the blending option, press alt on the black side of "underneath level" and set it to 66
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duplicate the layer several times, move every new layer and low the opacity while approaching to the foreground. use whichever blending mode you prefer in any of the new layer created (I alternated soft light and screen). Use a layer mask in any layer to remove the fog on the girl and the grave
step 17 of 19
Added a rain effect. To do this, create a new layer, fill it with black. and add a disturb
step 18 of 19
Now use a motion blur effect to the disturbed layer. Here it is. We got rain
step 19 of 19
Add shadows to the grave and on the tree behind the girl's body. Use Burn and Dodge if you wish. Add the texture and set it to soft light 28%. The work is done.