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
PS4 XMB - PS3 Themes
PS3 Theme Wallpapers - Wallpaper Cave
10.000 PS3 Themes! - PS3 Themes
PS4 World HD ProSlideshow - PS3 Themes
PS4 On PS3 Dynamic Theme - YouTube
PS4 Wallpapers - PS3 Themes
PlayStation Now PS4 Dynamic Theme Just Released by Sony on the, ps3 theme HD wallpaper | Pxfuel
Blue Night Sexy V5.2 fw 3.41 - PS3 Themes
PS4 On PS3 - PS3 Themes
Playstation 4 / PS4 Theme - PS3 Themes
PS5 theme for PS3, My first PS3 Theme. (download link in comments) : r/PS3
PSN Custom Dynamic PS3 Theme by DEVILUSHNINJA on DeviantArt
Honestly, this is the best theme I've ever seen for the PS3 and it's fan made. : r/PS3
PS4 On PS3 - PS3 Themes
Tech - PS3 Themes
So... There's a NeoGaf PS4 Theme Out Now on PSN - The Games Cabin
arabic theme - PS3 Themes
PS4 XMB 2.0 - PS3 Themes
PS3 Background Themes (77+ pictures)
PS3 Theme Wallpapers - Wallpaper Cave
PlayStation Europe on Twitter: "Check out the 20th Anniversary PS4, PS3 & PS Vita Themes. Live now in PS Store for free! #20YearsOfPlay http://t.co/z5BjQKuGwL" / Twitter