.back {
	background-attachment: fixed;
	background-image: url(gamethumbs/game_02.jpg);
	background-repeat: no-repeat;
	background-position: left bottom;
}
.back2 {
	background-attachment: fixed;
	background-image: url(gamethumbs/game_03.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}