here is the args_converter and the kv line for the listview

gistfile1.txt

def my_args_converter(row_index, rec):
    dict = {'text': '',
            'index': rec[4],
            'is_selected': rec.is_selected,
            'padding_x': 100,
            'halign': 'left',
            'size_hint_y': None,
            'cls_dicts': [{'cls': ImageButton, 'kwargs': {'source': '/home/clyde/' + rec[3], 'index': rec[4], 'size_hint': (.175,1),
                 'border_color': [0,0,0,1], 'deselected_color': [3,0,0,1], 'selected_color': [0, 6,.0,1], 'on_release' : callback}},
                         {'cls': ListItemLabel,
                         'kwargs': {'text': (rec[0])+', '+ rec[1], 'font_size': 24,
                         'padding_x': -100, 'text_size': (300,60),
                         'halign': 'left', 'index': rec[4],'index': rec[4],}}]}
    return dict




ListView:
                    adapter: ListAdapter(data = getRow(), args_converter = my_args_converter, cls= CompositeListItem, selection_mode= 'multiple', propagate_selection_to_data= True)