It is the tips of this skin after the none bars. You could add something as dpl query, images, your scripts, .. simply creating page with dpl query, images, your scripts, .. and add name page into [Admin|User|*]Leftbar or [Admin|User|*]Rightbar.

How to do

• Create your page with prefix name MediaWiki:NOSTDLST, our example is MediaWiki:NOSTDLST_Manual
• Add name into one bar, our example is MediaWiki:Rightbar
• Your code page showes up into that bar, our example is in Rightbar menu

Uniform with CSS

If you want create a list like others sidebars, then you must add follow html code:

 <div class="sidelist">
 <div class="titlelist">Your label</div>
 	<div class="boxlist">
 		<!-- Your code -->
 	</div>
 </div>