Board Thread:General Discussion/@comment-3229139-20130307142211/@comment-168424-20130308194528

I did this a slightly different way that is more like what Wikia does and doesn't require CSS. It does require Admin rights to setup though. It also only works for Wikia's built-in sprites.

I created the following page MediaWiki:Pencilsprite which contained the following: 

Then you can use  to show the pencil image.

In retrospect, the CSS method is easier and more flexible.