Scroll down to the "Account Setting" section of the My Account page and click on "Video Posting Settings".
From the Video Posting Settings page you can add a link to your blog or Web site so that you can add videos to your site with just a few clicks.
Click on button that says "Add Blog/Site" to get started.
Which of your blogs or Web sites do you want to add videos to? Choose one and lets get started adding it to YouTube so you can add videos quicker and easier.
From this page you are going to choose your blog service from the drop down menu. Currently YouTube can add blogs that are hosted on Blogger, BlogSpot, WordPress and LiveJournal and Friendster. Choose one of these from the drop down box where it says "Blog Service".
Enter the required information for the blog or site you chose. They all need something different depending on what format that site used for log in. Enter the information the same way you would if you were logging into that particular site.
Blogger - Username and password
Blogger Beta - Email address and password
LiveJournal - Username and password
Friendster - Email address and password
WordPress.com - Username and password
WordPress Self Hosted - Username, password, API URL and API key
Click on the "Add Blog" button when you are finished.