Instructions
Insert the USB Flash drive into any available USB port on the PS3. If you&'re not there already, press the "PS" button on the controller to return to the PS3 menu (XMB bar).
Select the category of media you want to play. For example, if you want to look at a movie on the portable drive, select the "Video" category from the XMB bar.
Select "Display All" to bring up a list of all available media on the USB drive. Select the thumbnail of the file you want to play.