Here is the duplication cheat
1.) Go into Your Inventory.
2.) Click on an item that you want to duplicate.
3.) Right-click on the page that pops up and click view source. 5.) Copy and paste that source into an HTML section of ur site
6.) Change where it says "Select Action" to "Give To [Your Username Here]" (near
bottom).
5.) Go to the website, and press "submit"!
(I DONT KNOW IF THIS WORKS! I HOPE IT DOES, if you find out that it DOES work, then PLEASE e mail me or neomail me!)