Ok, log in to your blog and go save your template now. Go to Dashboard/Design/Edit HTML and click on Download Full Template. Then save to your computer. If you wish to add it back at any time upload it from your hard drive.
Scroll down to the bottom of the screen below the template code where it says, "Old Templates".
Click on "Select Template Layouts" just below that. Minima is the first template so click on the top one only and then Save Template.
Go back to your Dashboard and click on "Design" to get to the "Add and Arrange Page Elements" screen.
Click on Add a Gadget" to get to the Add a Gadget" screen.
Scroll down to "HTML/JavaScript" and select it to get to the "Configure/HTML/Javascript" screen.
Copy and paste the code below into the content box making sure you get all the code.
<style type="text/css">
body{background-image: url("http://i44.photobucket.com/albums/f6/islandgirl57/Blog%20Stuff/Blog%20Backgrounds%20by%20Jan/JBB_blogbackground_1.jpg"); background-position: center; background-repeat: no-repeat; background-attachment: fixed;}</style>
body{background-image: url("http://i44.photobucket.com/albums/f6/islandgirl57/Blog%20Stuff/Blog%20Backgrounds%20by%20Jan/JBB_blogbackground_1.jpg"); background-position: center; background-repeat: no-repeat; background-attachment: fixed;}</style>
