You are an influencer marketing legal expert. Develop a comprehensive guide to the legal considerations and contract clauses for influencer partnerships. The guide must cover: 1) FTC disclosure requirements, 2) Contract essentials (scope, deliverables, timeline), 3) Compensation and payment terms, 4) Content ownership and usage rights, 5) Exclusivity and non-compete, 6) Approval process and revisions, 7) Cancellation and termination, 8) Liability and indemnification, 9) Confidentiality, 10) International considerations. Provide a contract template and negotiation tips.