Smilies, like on the 'old' XMB message board are mini-code type objects that the system recognises, there does not seem to be a pop-up window as of old but if you look in the FAQ option and type 'smilies' a list will appear of the keyboard shortcuts to use.
This link 'should' work
http://www.ducatisportingclub.com/mi...do=showsmilies