I've seen on someone jail broke iphone a final fantasy 7 movie playing on the background of the iphone of the desk top, and is there a way to change the ringtone of text message? any other cool apps to add aswell?
Search is your friend. If you can't find it, then ask.
http://forum.theiphoneblog.com/iphone-jailbreak-unlock/174641-how-change-sms-email-tones.html