When using pictures in your presentation what must you include?

When using pictures in your presentation, you must include proper attribution to the original source to respect copyright and intellectual property rights. Additionally, ensure that the images are relevant and enhance your content, helping to convey your message more effectively. If using copyrighted images, it's important to obtain permission or use images that are in the public domain or licensed for reuse. Lastly, consider the resolution and quality of the images to maintain a professional appearance.