1.) Go to "My Controls" on the top right of the GD.com (next to "my albums" and "view new posts")
2.) Scroll down on the left hand side to "Personal Profile" and click on "Edit Signature."
3.) Click on the "insert image" icon. I looks like a small picture.
4.) It will prompt you with an "http://" - Delete this
5.) Copy and paste the follwoing into the space - http://www.transaxleengineering.com/Images...Dune_header.jpg
This will show up as your signature on the bottom of each post. Enjoy!