Mask the sea from the sky image and paste and transform the ground
step 5 of 9
Cut the sea from the source 2 and paste in a new layer, set the mode for this layer to overlay and apply a gaussian blur with a strong radius to remove the texture.
This is just keep the original light.
step 6 of 9
Mask and paste the other sources
step 7 of 9
Make a new layer in multiply mode and paint the shadows.
Add a levels adjustment layer to boost the light on the part of the image wit the skull and the tree.
step 8 of 9
On a new layer:
- Add some brush strokes with a white color.
- Filter > Blur > Motion blur with a high value on distance to make the strokes very soft.
- Set the mode of this layer to soft light and transform
- Erase some rays if needed
step 9 of 9
Crop and add a black & white adjustment layer with a tint to make a duotone effect.
This is how it looks in black and white