A common myth that is continually perpetuated in education circles is the idea of a visual, auditory and kinesthetic learner. This is not the truth. You do want to individualize your teaching, but you don't have to base it on these three "learning styles"
This should help to understand copyright. It is not what you think (usually). With the ease of accessing media students often think they have permission to use things they do not have permission to use.
You will be making presentations. Your STUDENTS should be making presentations. Learn how to make a good presentation rather than one that is boring and visually distracting.