This document provides tips for creating effective PowerPoint slides by avoiding common pitfalls. It addresses slide structure, fonts, color, backgrounds, graphs, spelling and grammar. For slide structure, it recommends using point form, 4-5 points per slide, and showing one point at a time. For fonts, it suggests a minimum 18-point size in a clear typeface. For color, it advises using colors that contrast with the background. For backgrounds, it says to keep them simple and consistent. For graphs, it emphasizes labeling and using logical colors and formatting. It concludes by stressing proofreading and using conclusion and question slides.