/* outside background colour */
body {
	background: #000 url(bg-c.jpg);
}

/* background photo
div.tn {
	background: #000 url(bg.jpg) no-repeat left;
} */

/* random background photo */
div.tn {
	background: #000 url(http://www.mbiko.com/cgi-bin/random/bg-photo-photography.cgi) no-repeat left;
}