[noppid]

In your first example, you didn't close the first <if> it seems.

<?xml version="1.0" encoding="ISO-8859-1"?>

<product productid="simpleglobalannouncement" title="Global announcement" description="Display simple global announcement in the header." version="1.0.0" active="1">
 <templates>
		<template name="simple_global_announcement" templatetype="template" date="1124952989" username="Tommy Jensen" version="1.0"><![CDATA[

<if condition="THIS_SCRIPT != 'register' AND THIS_SCRIPT != 'login'">

<if condition="$vboptions[enableglobalannouncement]">
	<!-- global announcement -->

	<table class="tborder" cellpadding="$stylevar[cellpadding]" cellspacing="$stylevar[cellspacing]" border="0" width="100%" align="center">
	<thead>
	<tr>
		<td class="alt1">
			<phrase 1="$bbuserinfo[username]" 2="$vboptions[bbtitle]">$vboptions[globalannouncementtext]</phrase>
		</td>
	</tr>
	</thead>
	</table> 
	<br /> 
	<!-- / global announcement -->
</if>
</if> <!-- Close First <if> -->
	]]></template>
	</templates>
	<plugins>
		<plugin active="1">
			<title><![CDATA[Global announcement [Alteration]]]></title>
			<hookname>parse_templates</hookname>
			<phpcode><![CDATA[
				eval('$simple_global_announcement = "' . fetch_template('simple_global_announcement') . '";');
			]]></phpcode>
		</plugin>
		<plugin active="1">
			<title><![CDATA[Global announcement [Template Cache]]]></title>
			<hookname>cache_templates</hookname>
			<phpcode><![CDATA[
				$globaltemplates[] = 'simple_global_announcement';
			]]></phpcode>
		</plugin>
	</plugins>
	<phrases>
		<phrasetype name="GLOBAL" fieldname="global">
		</phrasetype>
		<phrasetype name="vBulletin Settings" fieldname="vbsettings">
			<phrase name="settinggroup_simpleglobalannouncement"><![CDATA[Simple Global announcement]]></phrase>
			<phrase name="setting_enableglobalannouncement_title"><![CDATA[Enable Simple Global announcement]]></phrase>
			<phrase name="setting_enableglobalannouncement_desc"><![CDATA[Enable Simple Global announcement]]></phrase>
			<phrase name="setting_globalannouncementtext_title"><![CDATA[Announcement]]></phrase>
			<phrase name="setting_globalannouncementtext_desc"><![CDATA[Text for announcement]]></phrase>
		</phrasetype>
	</phrases>
	
	<options>
		<settinggroup name="simpleglobalannouncement" displayorder="2000">
			<setting varname="enableglobalannouncement" displayorder="10">
				<datatype>number</datatype>
				<optioncode><![CDATA[<span class=\"smallfont\" style=\"white-space:nowrap\">
	<label for=\"qr0\"><input type=\"radio\" name=\"setting[$settingid]\" id=\"qr0\" value=\"0\" tabindex=\"1\"" . ($setting['value'] == 0 ? ' checked="checked"' : '') . " />$vbphrase[no]</label><br />
	<label for=\"qr1\"><input type=\"radio\" name=\"setting[$settingid]\" id=\"qr1\" value=\"1\" tabindex=\"1\"" . ($setting['value'] == 1 ? ' checked="checked"' : '') . " />$vbphrase[yes]</label><br />
</span>]]></optioncode>
				<defaultvalue>0</defaultvalue>
			</setting>

			<setting varname="globalannouncementtext" displayorder="20">
				<datatype>free</datatype>
				<optioncode>textarea</optioncode>
			</setting>

		</settinggroup>
	</options>
	
	
</product>