Try this, down lower. The only custom code is the <vb:if condition="$crumbTitle != 'Forum'"> </vb:if> part.
HTML Code:
<vb:if condition="$crumbTitle != 'Forum'">
<li class="vb-icon separator"></li>
<li class="crumb ellipsis"><vb:if condition="$crumb['url']"><a class="crumb-link" href="{vb:raw baseurl}{vb:raw crumb.url}">{vb:raw crumbTitle}</a><vb:else />{vb:raw crumbTitle}</vb:if></li></vb:if>
Sorry, like I said, the frontend of my vb5 install is hosed. I'm using the style editor, but I can't check my work.