Most of the SpinSite Themes are customizable.
To customize a theme, select a theme that displays a logo and/or secondary image.
Select Options from the SpinSite Tool Bar and scroll down the page until you see the check boxes for "Display Logo" or "Display Secondary Image" Check the box(es) that represent your display preference.
Continue by selecting the Choose Image option (to the right of the check boxes).
Once you have selected your image - click save to close the window. Your image choices should now show in the header.