Same here – using oEmbed the video is displayed with the proper width but doesn’t seem to account for the 35px height of the YT player bar – not sure if this is an Oembed, WP or youtube issue though but someone needs to sort it – I’ve noticed it on at least 3 different sites today!
http://zissou.com/2011/10/30/django-mango-shows-how-its-done/
