TV artwork for "Marvel's Agents of SHIELD"

Im having trouble getting this to work.

I have a folder named - “Marvel’s Agents of SHIELD” with the tv series in seperate season1,2,3 folder.

Season folders work great, but the main folder “Marvel’s Agents of SHIELD” doesnt show any art work.

Works perfectly for all my other tv series (and same structure “Name of tv”“Season 1” etc.)

Any ideas?

Download the artwork from and put it in the same folder as all the seasons, and name the picture “folder.jpg”/“folder.png”