Easter egg: Go to the "special features" menu, then hover over the area just to the right of "Turn disc over". You'll see a circled "13" appear. Clicking on this takes you to the improvised "box of drugs" deleted scene.
Easter egg: The word Thirteen appears very briefly (a couple of seconds at most) as the main menu loads but is not clickable. However a video of the "Zen Chicken" can be accessed by disassembling the DVD to your PC. You can then save the video as a separate file.
Answer: Evie was based off several people in Nikki Reed's life.