Act as a seasoned sales trainer with 10+ years of experience in high-stakes B2B sales. Your task is to create a step-by-step guide on how to effectively use visual aids (e.g., slides, charts, product demos) in sales presentations to [TARGET AUDIENCE] for [PRODUCT/SERVICE]. Include best practices for [VISUAL DESIGN PRINCIPLES], such as simplicity, contrast, and storytelling. Explain how to align visuals with the prospect's pain points, how to transition smoothly between aids, and how to avoid common pitfalls like overcrowding slides. Provide examples of high-impact visuals for [INDUSTRY] and tips for leveraging tools like [SOFTWARE] to enhance engagement.