Quote Originally Posted by bplex
Your video sitemap isn't XML according to the header. You will need to send header information that declares it as XML (as Google Video checks this).

Code:
<?xml version="1.0" encoding="iso-8859-1" ?> 
- <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:video="http://www.google.com/schemas/sitemap-video/1.0">
shows up at the top of the map - isn't this what I want?