Have you seen People sending Smiles and images that are not part of Facebook Traditional chat codes.
Here in this post You will see how easy it is to create these codes and Impress you Facebook friends
Like, The best part is you can create your Unique codes . You can create codes of any image stored in you computer, by following these steps
Follow these Steps :- 
1. Go to
Smileyti
2. Click on
"Browse" and select The picture you want to use in facebook chat.
3. Enter captcha code.[If you get one]
4. Click on
"Upload Now" .
5. It will generate code in few seconds in This form<< [[512585645451273]] [[512585638784607]] >>
Copy The code 6. Paste it in facebook chat and hit enter.
DONE :D
