getImageFromFlickr

function getRandomImage(tags,callBack){
    $.getJSON("http://api.flickr.com/services/feeds/photos_public.gne?jsoncallback=?",
    { tags: tags,tagmode: "any",format: "json" },
    function(data) {
        var rnd = Math.floor(Math.random() * data.items.length);
        var imgs = [];
        for(var i=0; i<data.items.length; i++){
          var url = data.items[i].media.m.replace('_m','_b');
          imgs.push(url);
          // var img = document.createElement("img");
          // img.src = url;
          // wrap[0].appendChild(img);
        }

        callBack(imgs);
    });
  }