def images(args={})
      hashes = con.describe_images('Owner' => 'self').body['imagesSet'].collect do |hash|
        h = {}
        h[:image_id]  = hash['imageId']
        h[:name]  = hash['name']
        h[:rootDeviceType] = hash['rootDeviceType']
        h
      end 
      puts Formatador.display_table(hashes)
    end
def images(args={})
      hashes = con.describe_images('Owner' => 'self').body['imagesSet'].collect do |hash|
        h = {}
        h[:image_id]  = hash['imageId']
        h[:name]  = hash['name']
        h[:rootDeviceType] = hash['rootDeviceType']
        h
      end 
      puts Formatador.display_table(hashes)
    end
TODO: Make this better by including more details of block devices