"The Designer's Guide to Startup Weekend," PowerPoint presentation design by Iryna Nezhynska, via Behance. I love the simple colors and flat shapes, with the plays on typography and infographic design.
Use these free backgrounds, templates, letters, frames, and buttons for school presentations, websites, class newsletters, digital scrapbooking, and student portfolios. Thousands of presentation elements and millions of combinations allow you to customize your school projects, electronic scrapbook, or eportfolio. A friendly license allows teachers and students to use up to 50 items in a single, non-commercial project without further permission.