.td1
{
background-image:url('http://www.princesscameron.org/pc1/princess.jpg');
}
.td2
{
background-image:url('http://www.princesscameron.org/pc2/princess.jpg');
}
.td3
{
background-image:url('http://www.princesscameron.org/pc3/princess.jpg');
}