This document provides tips for common errors in PowerPoint presentations. It lists 8 errors: 1) not using the full slide space, 2) text not fitting correctly in text boxes, 3) too much animation, 4) incorrect font sizes, 5) putting text over pictures, 6) too many pictures, 7) pictures and text not proportional, and 8) including too much text. For each error, it provides a brief example slide.