I often use <img> with "width" on GitHub, so that I do not have the scrollbars on the main page, and one can click on the image to see the original size. It is

I often use <img> with "width" on GitHub, so that I do not have the scrollbars on the main page, and one can click on the image to see the original size. It is ugly, but what is the alternative in Markdown? Several images instead of one?