This is a tutorial on how to install ps3 themes.
1. go to the root of your usb device or psp or whatever
2. make a new folder called PS3 (must be in block CAPITALS)
3. inside the ps3 folder you just made, make a new folder called THEME (this must also be in block CAPITALS)
4. find and download a theme you like from the themes section
5. once you've downloaded a theme you like, right-click it and click copy
6. go to your theme folder in your usb device, right-click and click paste
7. when it is finished copying from your computer put your usb device into your ps3.
8. now on your ps3 go to theme settings and go to theme.
9. a list of options will come up. go to install
10. select your usb device and select the theme you want to install.
11. wait a while and it should install
12. go to theme settings and find your theme
13. press x and hit apply