var chartData = [
            // scatter points            
             {
                name: "Fred",
                x: 96,
                y: 78,
                color: "#FF0F00",
                bullet: "triangleUp"
            }, {
                name: "Ralph",
                x: 35,
                y: 50,
                color: "#FF6600",
                bullet: "triangleDown"
            }, {
(etc.)
...
        for (var i = 0; i < chartData.length; i++){
                    var graph1 = new AmCharts.AmGraph();
                    graph1.colorField = "color"; // color works
                    graph1.balloonText = "[[name]] x:[[x]] y:[[y]]"; // name does not appear, x and y do
                    graph1.xField = "x";
                    graph1.yField = "y";
                    graph1.lineAlpha = 0;
                    graph1.bullet = "bullet"; // I only get a graph if I set bullet to "bubble", etc. here. 
                    // then all of my bullets are the same type                                             
                    chart.addGraph(graph1);
                }