Photoshop Before and After

Before:



After:



Step 1: Adjusted color to give more contrast between the starfish and the turquoise background.
Step 2: Removed specs of starfish on the background with brush tool.
Step 3: Sharpened starfish shadows with brush tool.
Step 4: Edited shadows in top corners with brush tool.

Before:



After:



Step 1: Adjusted color for better contrast.
Step 2: Used unsharpen mask tool to better focus slightly blurry picture.
Step 3: Used brush tool to make red on Buddha darker.
Step 4: Used brush tool to eliminate harsh lighting.