Smiley is a small application that makes it easy to add new emoticons to iChat and iChat AV applications. With Smiley, you can add prebuilt emoticon packs or create your own images and add them easily and quickly. You can easily change the image, name, or keys to existing emoticons and share them with friends. Smiley also enables you to import Adium and Proteus emoticon sets. As an open-source application, you can easily change Smiley to meet your needs or to see how to work with authentifying an application. | 
