Did I ever tell you I really love Flickr? I’m sure I have. Anyways, found this little gem via Roy.
The interface is also RESTful in that you can append your name to the end of the URL. For example, http://metaatem.net/words/Haacked.
My name above is displayed by adding the following script tag to this blog post:
<script type="text/javascript" src="http://metaatem.net/spell.php?picsize=s&string=Haacked"></script>