How To: Preview An Entire Song or Video in iTunes on your iPhone and iPod Touch!

) In Cydia, add [Only admins are allowed to see this link] to your sources list

2) Click on the repo and scroll down to F and install FullPreview

3) Once your device has resprung, you will not see any icon or anything in the settings. It is a plug in that will be in the iTunes app

4) Open the iTunes app and when you find a song or video you want double click on it. It will then show you a landscape view of the video or the song and play it in its entirety opposed to a 30 second clip.