If you're tired of PowerPoint Presentations, try Piktochart: Infographic and Graphic Design for Non-Designers. It is free and the kids loved it. They can enter pictures, videos, and hyperlink them all to the original source.
Great for leading into creating own self-portraits. Helps students gain an understanding of the message, principles/elements used and space/composition by analyzing famous artist's self-portraits. (self-portraits worksheet)