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
Call of Duty Black Ops 2 #2 - PS3 Themes
Call of Duty Black Ops 3 PS3 - PS3 Themes
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