UPDATE 3]Ultimate PS3 Theme Mod v2.1!(6.20,6.35,6.39,6.60) - wololo.net/talk
50+] PS3 Themes and Wallpapers - WallpaperSafari
10.000 PS3 Themes! - PS3 Themes
Fresh from EU: Sonic CD PS3 Theme, Wallpaper - Sonic Retro
PS3 Background Themes (77+ pictures)
Time to Panic Dynamic/Static Theme - PS3 Themes
Neon PS3 Button Dynamic Theme - PS3 Themes
PSN Custom Dynamic 4.11 - PS3 Themes
Digital Blasphemy: Dynamic Themes for the PS3
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
My favorite PS3 theme that I've had for about 5 years and I will never change it. I'm pretty sure it was free. : r/PS3