How To Create Gmail Rich Text Signature
One the features long requested by Gmail users are finally available today. Rich text signature, or you may call it ‘fancy signature’ is one simple stuff, but it is no-brainer why it took this long to enable it. Anyway, good to have it now, and you can start drafting your fancy signature by getting to the ‘setting’ page from inside your Gmail, where you can find signature editor as shown below.
via : Gmail Blog