For those of you who have tried inserting an image or table in Gmail, you've probably noticed that Gmail won't really allow embedded HTML (at least not in a traditional sense).

Here are some of the browser extensions which can help you add HTML signatures on Gmail – a) Blank canvas – Firefox extension that makes it very easy to add graphics to your Gmail signature line.

Thanks to some handy tricks in the Google Labs bag you can easily add an HTML signature complete with images and save it for future use without plug-ins or outside help. Earlier this month ...

Once you’ve selected your image, Gmail pastes it into the e-mail wherever your cursor was when you clicked Insert Image.You can resize it by clicking and dragging any of the handles, or by ...

Gmail just takes your image and, if necessary, stretches it to fit the window. So portrait-style images from your smartphone are not ideal choices for a Gmail background, but landscape smartphone ...