I am going to show you how to duplicate items in minecraft if you either have to for some reason or you are just a noob. [does not work on servers.]
Minecraft: Feed the Beast Modpack Review
MINECRAFT: Jurassic Park =]
Feed The Beast - CoOp with Friends - Episode 2
Technic with Sips - Part 3 - Pumping for Mulch
Hardcore Minecraft: Episode 2 - AFK Ownage!
MoreCreeps and Weirdos - Mod Spotlight
Tekkit with Duncan - Part 11 - Black Gold!
Tekkit - Episode 18 - Romance on Ice