Including a signature is an excellent way of customizing the appearance of your posts, providing content that will appear in all of your posts/comments so that you don't have to continually enter the same information. You can see the restrictions on signature content here.   The tutorial that follows shows the steps to edit your signature using the Bolter & Chainsword (dark) theme. If you use the Default (light) theme, click the "NEXT PAGE" button that appears at the top and bottom