imageCellCreator: function(){
            return new KONtx.control.PhotoGridCell({
                styles: this.getCellDimensions(),
				loadingSrc: 'image/test2.png',
				missingSrc: 'image/test1.png',
				cellPadding: 0,
                events: {
                    // this onSelect fires in context of cell
                    onSelect: function(event){
                        var dataItemNumber = this.getCellDataIndex() + 1;
                        log('selected a photo in cell number: ' + dataItemNumber);
                    }
                }
            });
        }