Instructions
Turn on your PlayStation 3.
Open the PlayStation Store on your video game console by selecting "PlayStation Network" followed by "PlayStation Store."
Type in the name of the skin or the name of the game the skin is based on into the "Search" box with your controller. Select "Add to Cart" on the product page.
Select the "Shopping Cart" icon at the top of the PlayStation Store. Most skins and themes for the PlayStation 3 will be free, but some cost money. The price of the skin or theme will be displayed on screen.
Select "Proceed to Checkout." Choose "Confirm Purchase." If your skin costs money, your card will be charged and the skin will be downloaded. Repeat this process for any other skins you want to download.