How can I change the smilies' appearance in Wordpress ?

I chat a lot in Facebook and like the appearance of their emoticons. How can I get this appearance on my blog ?

I want to change it from the current one . Can I add more emoticons to the list as well ?

From web app phwd

• Following the instructions here, you can upload new smiley images to be used in your /wp-includes/images/smilies folder.

  phwd : Does this allow you to add new smilies ? Say I wanted to add [:putman:](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhE4cWfi2GuHYEm4YkVzaTotEcoBWuTBC3hLEZKDJ3B7RC-p3VG62fFStsPZt6d7WcQLtShlAW13oIusHjHFgHvZVS-KidrQpghyphenhyphenXtXzcZsjGVoUEenl7yYtJtX2I36RNYcUx-9PMX_Ha2p/s400/human+head+facebook.jpg)

  tnorthcutt : I believe this would allow you to add new smilies, although there may be other steps necessary. Please consider voting for this answer if you think it's a good answer to your question.
  From tnorthcutt