Easter egg: In the English version of the DVD go to the Special features menu and keep hitting left. A halo should appear over Nicky's head which allows you to watch a Lord of the Rings trailer.
Easter egg: An easter egg on the Spanish edition of the DVD. Don't know if it exists on other editions. On the menu, select Extra Features, then, scroll down to the Menu Option and press right on your remote. You'll see a new option where you can watch an old music video from Dio.