BuddyPress.org

Theme, you can get a WordPress theme with magazine format then install BP Template Pack which you will need to tweak to mesh with HTML structure of your WP theme.

Photos, videos and audio (if you allow all three in admin) uploads working with BP Gallery Plugin, which is premium at this time. You could set Gallery page to include all media or set up pages for respective media. Edit – Also individual members plus groups have their own respective photo, video and audio gallery pages out of the box.