Yes, you will post to all the accounts in Syndwire if you want to improve rankings for a video.
You will be posting the following information to your accounts:
1) Place video URL to all your status update and bookmark accounts.
2) Use longtail keyword in the status update and in the title for bookmarks.
3) Place embed code for the video in the blog posts and the long tail keyword in the title.
4) The description will need to be 300 - 500 words at least and provide the longtail keywords 1 for every 100 words.
5) Place relevant keywords inside of the description and add the longtail keywords at the bottom of the description.