LiteSpwnr - The Most Lightweight Item Spawner Ever Created!
Version: 1.1

Easy to use, elegantly simple. Just type in an item id, as if it was a command, and get a stack of that item. Type in an item id and an amount, get that amount. All added instantly to your inventory.
Example: /5 or /5 300

Features:
Spawn items in an instant by typing in the id, or the id and the amount. (/5 or /5 300)

http://forums.bukkit.org/threads/admn-litespwnr-v1-1-the-easiest-most-lightweight-item-spawner-that-exists-1000.31164/