EM automove after download complete...

automove.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'fileutils'
require 'eventmachine'

trap("INT") do
  EM.stop
end

EM.run do
  EM::add_periodic_timer(3) do
    Dir['~/downloads/*'].each do |filename|
      basename = File.basename(filename)
      case basename
      when /^Castle.*/
        FileUtils.mv(filename, File.join('~/series/Castle', basename))
      else
        FileUtils.mv(filename, File.join('~/movies', basename))
      end
    end
  end
end

Very good! :D