Sorry it's a bit dark maybe. Here's a lighter version;

I'll show you another way of getting the link now.

Right click on the lighter version I just did and click; save image as...

Save the image in your own computer pictures file.

Now using Tinypics, upload that pic from your computer to tiny pic and select the html code to copy in your signature box.

That's it. 😄

You may need to log out and back in before it changes.B-)