The document discusses pictures and photos as graphic media that can be used to distribute visual messages in learning. It notes strengths like being concrete and low-cost, but also weaknesses like only engaging the sense of sight. For pictures to be effective in learning, they should be authentic, simple, proportionally sized, combine beauty with relevance to learning goals, and be focused on the lesson content. An example lesson plan is then provided to teach body parts to primary students using pictures, videos, songs and games. The plan's goals are for students to pronounce, remember and describe body parts, with assessment of students' success in tasks.