insert image in facebook chat

• Just Go to your profile or any other profile or any official page you want to use as an emotion ot want to use the image in Facebook chat.
• See the url and copy the username or if there is no username specified then copy the profile id. For example http://www.facebook.com/mostofblog.                                                                               From this url you need to copy   mostofblog
• Just paste this in chat window within double brackets such as [[mostofblog]] and send it to your friend then the profile id associated with the username or profile id will show in chat box