Mysterious Last Window perforated instruction manual pages

I mentioned the perforated edge on a page in the Last Window instruction manual already in a previous post:

http://irishnintendofan.blogspot.com/2010/09/last-window-secret-of-cape-west-for.html

but I didn't reveal what was inside as I was waiting until I completed the game. However, now that I have completed it there is one thing about it I'll reveal about the perforated page if you would like to know:

There's a puzzle with an offer to win a wallpaper for your mobile phone. Nice little bonus there!