You can increase the traffic on your site by submitting directories, and article by linking to your site, and most importantly by doing social book marking on the various sites, and also by working on the various keyword which are relevant to your site,furtherly what you can do is just simply on page optimization and off page optimization. as it may also be possible that there are so many of other solution for optimizing to your site.
if your site has videos than submit your all videos in various video submission sites, and if your site is just about video information related, than do some off page activities like directory submission, article-press release submission and do social bookmarking. share your stories with your friends in social bookmarking sites, it will help you for traffic on your site.
HI FIREND if u like to built more traffic to your web site then do 1)directory submission 2)social bookmarking 3)article posting 4)press release submission 5)forum posting 6)yahoo ans 7)email marketing u can do this u can get good traffic.