""NEW"" Video http://www.youtube.com/watch?v=wP83rCMcBv8Ok heres the Low down on How to setup preview videos for you're Games or DVD-rom or even Power Off
"Note" ( Default skin Will Not work for preview videos )
"Note2" (Black Button truns video previews Off and On) (Right thumb stick In makes Video full Screen)
Go to setting> system
scroll down Just a Bit to (Allow Menu Edit) and set to YES
Scroll Down and Pick SAVE then Exit
now Highlite on anything Like a Game or DVD-Rom or even Emulators then Hit Start button
Go to Edit Item
you'll See preview click on that and go to the Video you Want to PLay
Then Save and Quit (All Done)