i found these on my computer, there is three, the evil grin, waii, and happy, that are not on these forums, the rest are on these forums BUT, some are missing and these look ''brighter'' than what we have, :/ Turns out they are from the Famfamfam Silk Icons Pack... http://www.famfamfam.com/lab/icons/silk/ There is also ''Tick'' or agree and ''Wrench'' or Useful and ''Star'' or Awesome.
Looking at google restaurant reviews and came accross this Needless to say, their english skills are sub-par to the point of being hillarious.