Gmail by default adds dashes “- -” line before the signature. Also, the signature text color becomes grey automatically. You can avoid this problem with the help of little known Gmail lab feature – Signature Tweaks. To remove dash, follow these steps – 1) Go to Labs from Gmail Settings. 2) Start searching for ‘Signature [...]

UPDATE: WiseStamp is now available from Firefox, Chrome, IE and Safari. With it you can include HTML and images seamlessly in Gmail signature. Its free and gives you better control over mails. Signatures save your time by automatically appending your name at the end of the message. Not only name, you can insert your location, [...]