2 possibilities: via attribute: $("#mytd").attr("background", "path/to/image.jpg");
or via CSS $("#mytd").css("background-image", "path/to/image.jpg"); that should work fine for your needs (make sure the paths are correct)
2 possibilities: via attribute: $("#mytd").attr("background", "path/to/image.jpg");
or via CSS $("#mytd").css("background-image", "path/to/image.jpg"); that should work fine for your needs (make sure the paths are correct)