http://efa.iykpqm7jiradoeezzkhj7c4b33g4hbgfwelht2evxxeicbpjy44c7ead.onion/toolkits/traditional-media-tips
As for the background, a few interesting but not distracting visuals are best. So instead of doors, a plain wall, or room clutter, try to have shelves, furniture, or artwork in your background. As mentioned above, never leave reporters hanging. If there are any last-minute issues with a recording, be sure to communicate and when possible offer alternative arrangements or speakers.