.pikachoose{width:500px;margin:0px;}
/* This is the ul you have all your images in */
.pikachoose ul{padding-left:0;width:500px;margin:0;overflow:hidden;}
.pikachoose ul li{float: left; border:0px solid #FFF; padding:0px; margin:0px 8px 0px 0px; position:relative; overflow:hidden; background-color: #FFF;}
.pikachoose ul li div img{position:relative;cursor:pointer;}

/* this is the surroundner for all your elements. This is also the fake border around the main img and room for caption */
.pika_main{width:500px;height:365px;display:block;position:relative;}
/*sine we give it the fake border, you need to position the image a little. */
.pika_main_img{position:absolute;top:0px;left:0px;}
.pika_back_img{position:relative;top:0px;}
.pika_subdiv{position:relative;border:2px solid #FFF;background:#FFF;padding:0px;}
.pika_subdiv img, .pika_subdiv a img{border:none;}