IMDB is like CDDB except for movies. You can download movie info such as cast, year, synopsis, box art.
The buttons are pretty simple to figure out.
During Movie Play:
A=Pause/Play
B=Exit
X=Exit w/ movie playing in corner
Y=Brings up control panel (FF,RW,etc)
White=Shows time
Black=Shows info about video playback
Start=Change aspect ratio
Back=Exit
LTrigger=FF
RTrigger=RW
Digital Pad=FF/RW
RAnalog Up/Down=Adjust volume
RAnalog click=Sub menu to power off/reset
LAanalog click=Screenshot
Video Selection Menu
A=Play
B=Back
Y=Add to playlist
White=Sub menu for movie info
Black=View playlist