var dt = ev.originalEvent.dataTransfer;   
 
dt.setDragImage( $('#feedback_image h2')[0], 0, 0);
 
dt.setDragImage( $('#logo')[0], 32, 32);
 
var canvas = document.createElement("canvas");
canvas.width = canvas.height = 50;
 
var tx = canvas.getContext("2d");
ctx.lineWidth = 8;
ctx.moveTo(25,0);
ctx.lineTo(50, 50);
ctx.lineTo(0, 50);
ctx.lineTo(25, 0);
ctx.stroke();
 
dt.setDragImage(canvas, 25, 25);