Try to have your keyword in the title and in the tags, it will help you get ranked better. If you want to distribute your video to many different video sites automatically, you can use a free service at tubemogul.com

What i suggest, is tag the hell out of your videos, and also put your site's link first in the description, use good keywords in your title.

Then, if you can do some high page rank blog comments linking to your video, this will help your video alot more in the rankings.

Have you tried Video Forwarding?
You can check it out in my Sig File.