There's a special category for Online Video Journalism:
This category honors excellence in online-originated video journalism crafted specifically for a Web audience. Emphasis will be placed on compelling narrative, originality and creative use of the medium. Entries may consist of a single story or up to three examples from a series related to a single topic and may be integrated with other multimedia tools. Slideshows in a video format are not eligible.Winners will be announced at the 2009 Online News Association Annual Conference and Awards Banquet, Oct. 3, at the Hilton San Francisco.
Small: 0-999,999 monthly uniques
Large: Over 1 million monthly uniques
You can see past winners in this category on the Online Journalism Awards channel on KobreGuide.