If a journalist asks for more information or visuals then drop everything and get it to them fast. It will show them they can rely on you. It will help them remember you next time there is a story that they need someone to comment on with your expertise.
Imagine you tied in with a story about Dry July and the television show you were appearing on needed a graphic of Dry July to have up in the background.
Simply go to the Dry July official website, find their contact details and ask them for a high resolution graphic and they’ll jump at the chance of getting it on national television. They help you out and you make life easier for the journalist.