1. Press Release 2. Google Image 3. Google News 4. Bookmarking 5. RSS Submission 6. As you wish I believe mainly on free methods. So those are top priorities to me.
do seo of you site to come in google first page that is the best way to get traffic. to do seo check below factory : On-page optimization social bookmarking classified posting directory submission google adword submission of video and article
You can promote your website in social networking sites. I guess this will help you. Do submission of your photos and video in photo and video sites as suggested.