adding a "none" option in the drop_down_list of the PortalListFilter to exclude all the images used in both museumobjects and/or textlabels linked to a portal
adding a "none" option in the drop_down_list of the PortalListFilter to exclude all the images used in both museumobjects and/or textlabels linked to a portal

vanda/DigitalLabels,vanda/DigitalLabels