If the background is just an image/graphic, you could load it into the template workshop and edit one of the existing templates to change the background image being used.
If there is more to it you could also include the needed HTML to make it appear by pasting this code into the description field.
Alternatively you could email us the code and have the engineering team rewrite it so it works like one of the templates in the Vendio system. There is a charge for this service (usually $25) - if your interested in this please email us all of the code/images being used along with any needed details as to where the placement of the text/etc should be on the page.
