ok once I have installed the extrainfo script, I quit xbmc and edit the python default file for it.
C:\Users\username\AppData\Roaming\XBMC\addons\script.extendedinfo-master
I remove these two lines, as it will allow you to set your choice of movieset fanart (for the set instead of a loop of the fanart within that set)
I then go into settings and turn on the script
this will take you from
to
basically it fills in the info panel with information about each movie within the set
I then run the movieset automator, giving me this
Whilst there is an option on the panel on the left, for some unknown reason I find that the artwork downloader runs better if I do it via programs
so I run it