[fxwoody]

Replace code in thread_thumbnail_threadbit with this:

<vb:if condition="$thread['thumbnaildisplay'] AND (!$thread[sticky] OR ($vbulletin->options[thread_thumbnails_sticky] == '1'))">
                    <a rel="nofollow"  style="float:left;clear:right;display:block;padding-right:5px;">
			<img style="{vb:raw thread.thumbnailstyle}"  src="{vb:raw thread.thumbnailurl}" class="magnify"></a>
		</vb:if>

and make sure that Thumbnail Location in options are set to after thread icon
and add this in Thumbnail Style:

width:40px;height:55px;padding:2px;

you can change the size of the thumbs to fit your style.
Hope it helps