I think this is the right place to post this:

Give Away Of the Day is giving away Digital Watermarking software today. Don't know if it's any good, but I figured it might be of interest to some.

http://www.giveawayoftheday.com/

Video Watermark Factory - a full-featured yet easy-to-use software that allows placing a digital watermark or logo or text over an existing video in the batch mode. Watermarks can be used for protection or adding comments to your movies. You may impose watermark on a whole video file or on a specified section of the movie. Brand Your Video With A Watermark!
Do with this what you will.

--dES