YouTube has been doing promotion video on wibe variety part of your benefit.

Do SEO on your videos Link. You will automatically get high views on your video.

Use your title and description with keyeords and tag it with keywords. Promote in social networking sites and bookmarking sites

What do you mean?

Keep it short – shoot for 30-60s and give it a real title.

Just do the same as you would normally do for a webpage.
Make a description and write the pages optimized for SEO. Than just do simple backlinking and social media sharing and you will see yourself getting traffic and ranking higer in search engines which will also get you traffic

Aside from SEO for the videos, rankings these days is a lot to do with video retention (the length viewed) The more time it is watched, the better the rankings. If people view and leave instantly, that wont help much.

Creating great content and include brand keywords in your tagging.

thanks.nice post