gistfile1.txt

require 'net/http'
require 'rubygems'
require 'nokogiri'

url = URI.parse 'http://memegenerator.net/Instance/CreateOrEdit'
res = Net::HTTP.post_form(url, {
  'templateType'  => 'AdviceDogSpinoff',
  'text0'         => ARGV[0],
  'text1'         => ARGV[1],
  'templateID'    => '165241',
  'generatorName' => 'Y-U-NO'
})

location = res['Location']
res = Net::HTTP.start(url.host, url.port) { |http|
  http.get location
}

doc = Nokogiri.HTML res.body

puts doc.css("a[href=\"#{location}\"] img").first['src']