Are you accessing your email on a webmail site such as Yahoo, Gmail, or Outlook? In that case, you need to enter your signature into the settings on the site. Are you accessing your email using Thunderbird? In that case, try the steps in this support article: [[Signatures]]. In either case, you might have the option to attach an image from your computer, or you might have the option to insert an image tag which will pull in an image from the web when the recipient reads the message. But you might not always have both of these options... ---- The forum software detected your Firefox as version 14. Is that correct? Version 14 is not secure and is no longer supported. If Help > About Firefox shows Firefox 34.0.1, you might have a preference set that is misreporting your version number. See: [[Websites say that Firefox is outdated or incompatible even though it's the latest version]]. Or you might be using an extension to randomize your user agent. Otherwise, it would be much safer to upgrade if possible, or to use a different browser that actually has been updated.