In this step I placed the images and croppedand asked them as I thought neccessary.
step 2 of 3
In this step I used a large soft black brush and some masking to create shadows throughout the piece, I also used a large soft white brush some gaussian blur and I set the white layer to pin light to give some highlights to the piece.
step 3 of 3
For this step I just tightened the piece up a bit.