Daniel,
Think i have read all the information available and have inserted the image on several sidebars to display in the Header Secondary on several pages. But as yet been unable to get it to work. Though in parallax it seems to be effecting the Full Screen Slider as well.
Have also changed the background colour to see if I can get anything to work in the edit sidebars but this does not work either.
The widget displays in the sidebar on the page but no background. Any pearls of wisdom. Unfortunately I am running off a localhost so can not give you URL.
All help much appreciated.