Online Video Publishing

Robin Good: Useful guest post by Deepak of VideoMarketing.net on Problogger for anyone trying to improve the visibility and findability of their YouTube video content.

The guide covers:

1. Filenaming
2. Keyword positioning
3. Voiceover use
4. Transcribing and captioning
5. Building authority
6. Uploading frequency 
7. Engaging commenters
8. Playlist use
9. Social signals
10. Off-site links  

Useful. 8/10

Full 10-steps guide: http://www.problogger.net/archives/2012/06/23/seo-your-youtube-videos-in-10-steps/ 

From the original article: "Did you know that major search engines want you to make video sitemaps for all of your embeds, even if you're hosting on Vimeo or Youtube?

Not only does it help them spider your website by giving the search engines clues as to where to look for video embeds, it may also earn your site a click through boost by giving you a picture in the SERP. 

...

There are several reasons why you'll want to add a video sitemap.

It makes it clear to Google what your content is.
You have the opportunity to provide a range of details through schema.

Additional presence on video.google.com search.
RAD picture thumbnail, which is a pretty great call to action."

Full article: http://www.seomoz.org/blog/video-sitemap-guide-for-vimeo-and-youtube