The background images used in XSitePro are just that, images.
This means that they cannot be changed from inside the application.
If you want to change then image colour, you need to edit the image in a full graphics application.
The free 'Gimp' application is popular for this:www.gimp.org/downloads
The images themselves usually live here:
Please make copies of the original files for any images you edit as you may want to revert back to the originals later.
Also, as the images are accessible the designers out there may want to create image packs that can be sold separately.
Empowering individuals to be financially independent.http://xsiteprosupport.com/