They only work in groups, not answers. To set it for a group signature, you go to "My Other Stuff" at the top far right, then Fonts & Signatures at the middle of the page. CM will make you log in with your password, then you want to scroll down to the bottom half of the page. Click the "add a rich text" button, then you put in the code for your ticker (the code should be available on the page where you made it).