Have you set up your Facebook Video Chat yet? Simply surf on over to https://www.facebook.com/videocalling and follow the simple directions and within a minute you can be video chatting with your Facebook friends.
All you need to do is to download a plugin via Facebook (around about 500kb) after it has been installed, you can then go to your list of friends that are online via the chat console, select a friend, and select the little video camera icon “start a video chat”. If your friend hasn’t set it up, it will automatically go through the same process for you friend.