[BirdOPrey5]

THIS_SCRIPT is correct but there is no value "forumhome"

The THIS_SCRIPT value for the forum homepage (forum.php) is index because it used to be index.php on vBulletin 3.x.

SO the condition would be something like

<vb:if condition="THIS_SCRIPT == 'index'">
	<h2 class="forumtitle" style="padding-top:10px!important;"><a href="{vb:link forum, {vb:raw forum}}">{vb:raw forum.title}</a></h2>
<vb:else />
	<h2 class="forumtitle"><a href="{vb:link forum, {vb:raw forum}}">{vb:raw forum.title}</a></h2>
</vb:if>

Note- 'index' also needs to be inside single quotes, as any string used in any conditional in a template needs to be inside single quotes.