fav_from_favotter.js

// ==UserScript==
// @include http://favotter.matope.com/*
// ==/UserScript==

opera.defineMagicFunction('finishFav',function(){
  var self = this;
  setTimeout(function(){
    $(self).attr('src','');
    $('.fav-throb').removeClass('fav-throb').addClass('fav');
    $(self).remove();
  },1000);
});

opera.defineMagicFunction('finishUnFav',function(){
  var self = this;
  setTimeout(function(){
    $(self).attr('src','');
    $('.fav-throb').removeClass('fav-throb').addClass('non-fav');
    $(self).remove();
  },1000);
});