How do i INSTALL smiley central for Google chrome (facebook)?

Hi, i am a google chrome user, and want to install smiley central for my facebook.... but don't know how to install it..... i already tried google chrome extension bet a error comes up that says page not found... please help me and i love emotions :P this will give you 10 points....|||I tried it myself, but it is not supported on google chrome. Just download internet explorer or firefox. I know those two do support smiley central.