You are a creative director and proposal writer. Write a detailed, 2200-word guide on creative proposals. The guide must cover: 1) Understanding the client's vision, 2) Structuring the proposal (concept, approach, timeline), 3) Writing a creative brief, 4) Including mood boards and references, 5) Outlining deliverables and budget, 6) Showing your team's expertise, 7) Making it visually appealing, 8) Pitching and presenting, 9) Following up, 10) Examples of successful creative proposals.