Download lolcats from your soup.io while it's up! Needs Ruby (used with MRI - "the regular ruby" - 1.9.3, should work with 1.9.2 or 2.0.0; 1.8.7 is a "maybe") and the Nokogiri gem (http://nokogiri.org).

soup_download.rb

require 'fileutils'
require 'open-uri'
require 'yaml'

require 'rubygems'
require 'nokogiri'

FileUtils.mkdir_p 'items'

feed = Nokogiri::XML(File.open('3fc1319c496ea1aacde451cecbdc17e3.rss'))
items = feed.xpath('/rss/channel/item')
n = items.length
errors = 0

begin
  items.each_with_index do |item, i|
    guid = item.xpath('guid').text.sub /^urn:www-soup-io:1:/, ''
    puts "* #{guid} #{i}/#{n} #{ '%.2f' % ((i.to_f/n)*100) }%"

    File.open("items/#{guid}.yml", 'w') do |ymlf|
      ymlf.puts YAML::dump(
        'title' => item.xpath('title').text,
        'link' => item.xpath('link').text,
        'date' => item.xpath('pubDate').text,
        'description' => item.xpath('description').text )
    end

    item.xpath('enclosure').each do |encl|
      url = encl['url']
      file = "assets/#{guid}-#{url.split('/').last}"
      if File.size?(file)
        puts "    Exists: #{file}"
      else
        puts "  Download: #{url} => #{file}"
        begin
          open(url) do |img|
            open(file, 'wb') do |imgf|
              imgf.write(img.read)
            end
          end
        rescue => e
          puts "  `->Error: #{e}, let's try again later"
          FileUtils.rm_f file
          errors += 1
        end
      end
    end
  end
ensure
  puts "** #{errors} errors **"
end