HiYo, from Incredimail, is a free add-on for Windows Live Messenger, giving you tons of cool Winks, Emoticons, Animations, Sound FX, Display Pictures (Avatars), Nudges, Text FX, Audibles, and more to upgrade your MSN Messenger experience.
HiYo for Windows Messenger
* HiYo is loaded with tons of free animated Emoticons
* Find any Emoticon, Wink, Animation, Sound Effect, Audible or Nudge easily
* Send HiYo’s crazy Winks to move and shake your buddy’s conversation window
* Replace your old Display Pictures with cool animated slideshows
* Send the most hilarious Audibles to your friends on MSN Messenger
Download the one for your Messenger version from its home page.