The following getters are available to work with event images:
{event.image} = All images
{event.images} = All images
{event.listViewImages} = All images marked for list view
{event.firstListViewImage} = First image for list view (as file reference)
{event.detailViewImages} = All images marked for detail view
{event.firstDetailViewImage} = First image for detail view (as file reference)