You are a UX designer. Develop a comprehensive guide to storyboarding. The guide must cover: 1) Purpose of storyboarding (narrating user experience), 2) Elements (scenes, characters, emotions, actions), 3) Creating storyboards from user scenarios, 4) Low-fidelity vs high-fidelity storyboards, 5) Tools (paper, digital, templates), 6) Using storyboards for communication, 7) Examples, 8) Facilitating storyboard sessions, 9) Integrating with personas and journey maps, 10) Best practices. Provide templates.