Step 15

Press Ctrl+V to paste the sandcastle. Go to Edit > Free transform or press Ctrl+T and make the castle smaller like me.

Step 16

Go to Image > Auto Color or press Shift+Ctrl+B.

An now the sandcastle should look like this :

Step 17

Press Ctrl+Click on the thumbnail of the layer castle.

Click on the aqua reflection layer and press Ctrl+C and take a piece of the texture and set Blending Mode of the layer on Screen and Opacity to 28%

Step 18

Open the photo with the shell. Select the Pen tool and make a new path like me. Right-click and select Make Selection and set father 0,5 and press Ctrl+C to copy the shell.

Step 19

Press Ctrl+V to paste the shell. Go to Edit > Free Transform or press Ctrl+T and make the shell smaller and put it where you want.

Step 20

Press Ctrl+Click on the thumbnail of the shell layer and move selection with 1px down.

Step 21

Make a new layer behind this shell layer and press Shift+F5 or go to Edit > Fill and select from menu Black and press OK. Set layer opacity to 49%

Step 22

Press Ctrl+Click on the thumbnail of the shell layer.

Click on the aqua reflection layer and press Ctrl+C and take a piece of the texture and set Blending Mode of the layer on Screen and Opacity to 33%

Step 23

Make a copy at the all layer of the shell and press Ctrl+T and transform the shell to make it smaller and put where you want.

Step 24 - Put fish in the bulb

Open the photo with the little Nemo and pick from the menu Pen Tool (P). With the Pen tool make a new path like in the photo. Right-click and select Make Selection and set father 0,5px and press Ctrl+C to copy the fish.

Press Ctrl+V to paste the fish in the document. Go to Edit > Free Transform or press Ctrl + T and make it smaller and put where you want.

Step 25

Pick the Pen tool from the menu and make a new path like me. Right-click and select make selection with father 0px . Go to Layer > New > Layer via Cut or press Shift+Ctrl+J and cut the portion that should be transparent, set the opacity at 80%

Step 26

Select the fish and click on the aqua reflection layer and press Ctrl+C and take a piece of the texture and set Blending Mode on Screen and Opacity at 65%