Things You'll Need
Instructions
Insert a USB flash drive into an available USB port on your computer.
Search for "stripe pattern" using an Internet image search engine. Alternatively, you can create a custom stripe pattern using your preferred graphics editing application.
Save the pattern image to your USB flash drive. Remove the flash drive from your computer and insert it into the USB port on the front of the PlayStation 3 console.
Turn on the PlayStation 3 console and scroll to the left side of the XMB menu. Highlight the "Photo" menu option and scroll down to the entry for your USB flash drive. Press "Triangle" to open the "Device Options" menu. Highlight "Display All" and press the "X" button.
Highlight the stripe pattern image file and press "Triangle" to open the "Image Options" menu. Highlight "Copy" and press the "X" button. Press "Circle" to exit the flash drive and return to the main menu.
Highlight "Settings" in the main XMB menu and highlight the "Theme Settings" option. Press the "X" button to open the list of theme customization settings. Highlight "Background" and press "X." Highlight "Wallpaper" and press the "X" button to reset your current theme background. Press "Circle" to exit the "Theme Settings" menu.
Highlight the stripe pattern image in your list of photos and press the "X" button. Press the "Triangle" button, then select the "Set as Wallpaper" option. Press the "X" button once again to apply the stripe pattern to the XMB background as a wallpaper.