$(document).ready(function(){
    $('#pics').cycle({
        fx:      'curtainX',
        timeout:  5000,
        pager:   '.clickers',
        pagerAnchorBuilder: pagerFactory
    });

    function pagerFactory(idx, slide) {
        return '<a href="#"><img src="/images/'+(idx+1)+'.jpg" alt="Reference '+(idx+1)+'" /></a>';
    };
});