Please sign your posts. To add text to that module, you will need to use JavaScript. The TARDIS Index File uses this code to add the text to the module and it is imported to MediaWiki:Common.js with
AdminTools wiki replicated the old "WikiaPagesOnWikiModule" with some custom JS. If you're interested, you can change the links to the pages and images in this code to do the same. Rappy 23:23, February 22, 2012 (UTC)
$(function(){ $('.edit-pencil').attr('src','http://new image link here.gif');});
The above CSS solution by Dser manipulates the 'background' of the element, which may have odd interactions if the image isn't the perfect size. (I haven't tested it.) Rappy 23:23, February 22, 2012 (UTC)