How to Use Yahoo + Rediff + Hotmail Emoticons and Smileys in Orkut Communities (by Ashwin S)
Firstly, you need the Firefox Browser for this to work.
Step 1: Install GreaseMonkey (Firefox Addon)
Step 2: Install this Script
Feel safe to install this script.
RATE IT: (1) Sucks (2) Stupid (3) Kewl (4) Rad (5) Wicked