A while back I was called in to rescue a WordPress site/theme that had gone off the rails. It was a disaster of a site. Got most of it back on track fairly quickly, but one remaining issue was that the drop down navigation insisted on falling behind the YouTube player on the homepage. This is the reason I wrote this very simple plugin. Additionally, it provides a very simple way for the client to manage their own site without calling me every month to change it.
Download a copy of this plugin here.