Here is a tutorial that was requested by a member that wanted to add a 3rd column to place html tags and images into the right side of every page. I am not going to lay that is going to be one of the hardest tutorials that I have had to offer. You also must know how to edit RTML and code CSS for this tutorial. This is only for the Yahoo! Store Editor V3. Login into your store manager >> Store Editor >> On the store editor tools is a red arrow on the right to open the “Advanced…