PSN Custom Dynamic PS3 Theme by DEVILUSHNINJA on DeviantArt
Free PS3 Themes – Booya Gadget
Tech - PS3 Themes
Digital Blasphemy: Dynamic Themes for the PS3
Sony makes official PS3 theme creation walkthrough | Engadget
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
PS3 ThemesPS3Blog.net
PS5 theme for PS3, My first PS3 Theme. (download link in comments) : r/PS3