is there anyway to have thumbs for relax shares heres part of my config.xml how can i get a thumb to display for this share ? I just can't get it to work thanks

<videos>
<visible>true</visible>
<share>
<name>Network</name>
<url>$ROOT$Movies@192.168.123.1:1400</url>
<cachesize>8192</cachesize>
</share>