Installation:
1- install the xml file included in the archive via the admincp
2- in the admincp navigate to, apearence >> templates >> forum_list
find
Code:
<xen:edithint template="sidebar.css" />
Code:
<xen:include template="Sidebar_Block" />
Created by ShadyX
Original Thread - http://www.adminforums.org/threads/xenforo-addon-custom-siderbar-block.1403/