var userid = "47921492@N00",
    limit = 6;
$.getJSON("http://api.flickr.com/services/feeds/photos_public.gne?id="+userid+"&lang=en-us&format=json&jsoncallback=?", function(data){
    
    $.each(data.items.slice(0,limit), function(key, val) {
        console.debug(key);
        console.debug(val);
        $("#flickr_update_list").append('<li><a href="' + val.link + '" title="' + val.title + '"><img src="' + val.media.m + '" alt="' + val.title + '" /></a><span>' + val.title + '</span></li>');
    });

});