Where do you put in a background if you have the code for myspace?

Look up

Where do you put in a background if you have the code for myspace?

In the about me section.

Where do you put in a background if you have the code for myspace?

Put the code in the About me section.

Where do you put in a background if you have the code for myspace?

Put your background code into the "About Me" Section of your profile!