I accidently deleted a few icons from my finder side menu. I used them alot. How do I get them back?! You can see I'm missing a Macintosh HD icon and a Network icon. Here's a screenshot.
http://img116.imageshack.us/img116/2694/picture1ov3.png
http://img116.imageshack.us/img116/2694/picture1ov3.png