try to replace in bbcode.php
elseif ($tag === 'googlevideo')
{
$html = '<object width="425" height="350"><param name="movie" value="http://video.google.com/googleplayer.swf?docId=' . $content . '"></param><embed style="width:400px; height:326px;" id="VideoPlayback" align="middle" type="application/x-shockwave-flash" src="http://video.google.com/googleplayer.swf?docId=' . $content . '" allowScriptAccess="sameDomain" quality="best" bgcolor="#F8F8F8" scale="noScale" salign="TL" FlashVars="playerMode=embedded"></embed></object><br /><a href="http://video.google.com/videoplay?docid=' . $content . '" target="_blank">Link</a><br />';
}
with
elseif ($tag === 'googlevideo')
{
$html = '<object width="425" height="350"><param name="movie" value="' . $content . '"></param><embed style="width:400px; height:326px;" id="VideoPlayback" align="middle" type="application/x-shockwave-flash" src="' . $content . '" allowScriptAccess="sameDomain" quality="best" bgcolor="#F8F8F8" scale="noScale" salign="TL" FlashVars="playerMode=embedded"></embed></object><br /><a href="' . $content . '" target="_blank">Link</a><br />';
}