Things You'll Need
Instructions
Insert your USB flash drive into your computer and transfer the files you want to load onto your jailbroken PS3 to the drive. As soon as the files are copied, click the ̶0;Safely Remove Hardware̶1; button in the system tray and disconnect the USB drive from the computer.
Insert the flash drive into an open USB port on your jailbroken PS3 console and turn it on. Turn a controller on as well.
Scroll through the menu bar to the ̶0;Game̶1; menu, where the contents of your flash drive will be displayed. Select each file to open the file menu and choose ̶0;Copy̶1; to get them onto the PS3 console. If any of the files are installer packages, select the ̶0;Install̶1; or ̶0;Run̶1; option from the file menu to install them.