Christian Leuenberg

WordPress comes with a built-in replacement function that turns 🙂 etc. into emojis. If you need to switch this off, simply install and activate this plugin. It’s that simple.

Really Disable Emojis

Disables the automatic emojis (smilies) replacement function. Really! :-)

quanganhdo

Custom Smilies (previously named Custom Smileys) gives you a chance to personalize your posts and comments using smilies of your choice instead of default ones.
Custom Smilies was selected as one of <a href="http://mashable.com/2007/07/24/wordpress-comments/" title="30+ plugins for WordPress comments" rel="nofollow ugc">30+ plugins for WordPress comments</a> and <a href="http://mashable.com/2007/08/16/wordpress-god300-tools-for-running-your-wordpress-blog/" title="300+ tools for running your WordPress blog" rel="nofollow ugc">300+ tools for running your WordPress blog</a>. These lists were conducted by Mashable, as of July 24th, 2007 and August 16th, 2007.
This plugin was first released in 2005 and it is now updated to be compatible with WordPress 2.3.2.
<h3>Troubleshooting</h3>
In case Custom Smilies doesn’t work well with your blog, make sure the <code>wp-plugins/custom-smilies/init.php</code> file is writable. CHMOD it to 777 or something like that.

Custom Smilies

Custom Smilies (previously named Custom Smileys) gives you a chance to personalize your posts and comments using smilies of your choice instead of def …

Really Disable Emojis vs Custom Smilies