var imgs = document.evaluate("//tr[@username='Enkidu']//img[contains(@src, 'bb/avatare')]", document, null, 6, null), i = 0, img;
while (img = imgs.snapshotItem(i++)) img.src = "http://url_zum_bender.gif";

var imgs = document.evaluate("//td[@username='Enkidu']//img/@src[contains(., 'bb/avatare')]", document, null, 6, null), i = 0, img;
while (img = imgs.snapshotItem(i++)) img.nodeValue = "http://url_zum_bender.gif";

var imgs = document.evaluate("//tr[contains(@username,'Enkidu')]//img[contains(@src,'avatare')]", document, null, 6, null);

for( var i = imgs.snapshotLength-1;i>=0; i--)
	imgs.snapshotItem(i).src = "http://jadududalladudlda";

// ==UserScript==
// @name           Highlight Nick 4 Nebby
// @namespace      Kambfhase
// @description    Nickhighlighting mit verschiedenen Farben
// @include        [URL]http://forum.mods.de/bb/thread.php[/URL]*
// ==/UserScript==

var nicks = {
	"Nebby" : "hotpink",
	"Kambfhase" : "blue",
};

for( var [key, wert] in Iterator( nicks))
	GM_addStyle("tr[username='"+key+"'] a[onclick^='openProfile']{color: "+wert+";}");