Hey as of pinballx 3.49 a system menu is now supported. You basically have to name the media for system menu  "- system -.extension" it can be movie picture etc and you just have to place them in your usual media folders (not a seperate one) I created / searched media tonight for the systems i use / have and uploaded them to the gameex ftp under this directory "/-PinballX-/Other Uploads/Joyrider3774/System Media" i placed them in seperate "system media" folder to make clear it's for the new