I use this one, just put it in tampermonkey/greasemonkey/whatever
// ==UserScript==
// @name       Aeris Removal
// @namespace  http://forum.blockland.us/
// @version    0.2
// @description  something useful
// @include    http://forum.blockland.us/*
// @copyright  2012+, Kingdaro
// ==/UserScript==
var postForm = document.getElementById('quickModForm');
var posts = postForm.getElementsByTagName('tr');
var n = '.Atlas';
var i;
for (i=0;i<=posts.length;i++){
	var v = posts[i];
	var str = v.innerHTML;
	
	if (str.search(n)>-1){
		posts[i].innerHTML = '<td class="windowbg" style=" \
			border-style:solid; \
			border-color:black; \
			border-width:1px 1px 0 1px; \
			text-align:center; \
		">-snip-</td>';
	}
}
removes all posts including him or anyone quoting him while still letting you know there are posts there so you don't get confused