I need to add indiviudal image backgrounds to CONTENT area of each WP page

Hi! I had some issues earlier and predrag suggested to open a new WP topic for this one.

I am building a WP page and I want to be able to use inividual images in the contnet area ( I guess it’s the body of the page) on each different page as I choose to.I want to add unique b The pictures have beenuploaded to my wordpress and the support plugin of WPMUdev is still active.

want to add unique background picture to the CONTENT area of each of my page. The pictures have been uploaded to my wordpress. If it’s is any matter, then I use X-theme.