Hi ThM,
A nice useful Mod!
I've noticed a couple of markup errors after installing this today though...
In the edit to the default template you've mixed up divisions and spans:
<td class="small" align="left" valign="middle" width="32%" height="23"><div id="yabbclock">{yabb time}</span></td>
Should be:
<td class="small" align="left" valign="middle" width="32%" height="23"><div id="yabbclock">{yabb time}</div></td>
And:
<td class="small" align="center" valign="middle" width="32%" height="23"><div id="yabbclock">{yabb styleswitch}{yabb tempswitcher}</span></td>
There's no need for the Style Switcher to have the 'yabbclock' id anyway though, so it may as well be removed:
<td class="small" align="center" valign="middle" width="32%" height="23">{yabb styleswitch}{yabb tempswitcher}</td>
And... not really important, but the link to the settings in the ModList edit is pointing to your forum:
Style Switcher in your <a href=\"http://www.yabbwelt.de/cgi-bin/forum/AdminIndex.pl?action=newsettings;page=main\" target=\"_self\">admin center</a>