The WP-Tube for YouTube plugin can automaticaly import your Youtube videos including their description, keywords and attributes right into your blog stream. It uses the Youtube, GData API to get the videos and you can customize it specifying which Youtube username to use and how often to ‘ping’ the Youtube API to check for new videos as well as setting the size and color of the Youtube player.
Comming soon… 
Custom template for layout as well as support for custom YouTube players such as ‘Youtube with style’

WP-Tube

Automaticaly import your YouTube videos into your Wordpress blog as posts

This plugin is not for most WordPress users. It will stop WordPress from automatically updating witch is not recommended. The only reason you might need this plugin is if you have modified your WordPress core files and you want WordPress to stop overwriting them with their automatic security updates. Otherwise you should probably just let WordPress auto update.
Updated April-19th

Stop Auto Updating Dangit

This plugin simply stop WordPress from automatically updating for you.

WP-Tube vs Stop Auto Updating Dangit