	    addImage: function(src, el) {
	        //todo: use jquery fallback if available for all QSA references
	        var nodes = DOM.getNodeArray(el);
	        nodes.forEach(function (node) {
	            var img = DOM.newEl('img');
	            var domProps = {};
	            domProps[App.setup.dataAttr] = src;
	            DOM.setAttr(img, domProps);
	            node.appendChild(img);
	        });
	        return this;
	    },