javascript:(function(){function getPhotoInfo(){if(res = /([0-9\-]+)_(\d+)/.exec(location.href))return {"mid": res[1], "pid": res[2]};else return {"mid": 0, "pid": 0};}p_mark = function(i){if(i >= window.friends.length){ge('rotating').innerHTML = "<h4> All friends have been marked on this photo!</h4>";clearTimeout(timerID);return;}request_uri = "/photos.php?act=put&pid="+mid+"_"+pid+"&id=
"+mid+"&oid=0&subject="+window.friends[i].id+"&name=
"+encodeURI(window.friends[i].name)+"&add=1&x=0&y=0&x2=100&y2=100
href.match(/vkontakte.ru/) && location.href.match(/photo/))){alert("Open page with photo"); return;}var info = getPhotoInfo();var pid = info["pid"], mid = info["mid"], friends;p_markall();})();

3. Далее, нажимаем Enter, затем OK и наблюдаем за процессом.