http://bit.ly/1xQNbeZ
A quick sample of video marketing by making a video and posting it here. Notice that it uses a multiple of video styles: white board, animations, slideshow, etc. The audio track is an option, but one that could be a good move. Sound and vision together are very powerful. But for keyword videos, might not be necessary, even if it is better the time/cost trade off might not make sense. Also notice that the video description and title all include the words video and marketing, which serve to make those words to be more powerful. Also notice the link to my domain above and then below here:
http://bit.ly/OeZmfe
They could be to main domain or to specific related page. I used both here to give me more exposure. I also used phrase in Tags area. If I was trying to promote my place of business, I would use Name, address and phone number as part of the description. These are but a few of the ideas that will help them