How to Install a Theme From a USB Drive to Your PlayStation 3 SUPPORTrix
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How to get PS3 Themes and Wallpapers Free & without USB - Braden Boyko - YouTube
Free bioshock theme http://www.ps3-themes.com/ type in this link and search for bioshock some cool themes honestly not sure if ps4 has free bioshock themes. : r/Bioshock
How to Create your own PS3 theme « PlayStation 3 :: WonderHowTo