import httplib

value = 1420201826

while True:
    http = httplib.HTTPConnection('media.rockstargames.com')
    http.follow_all_redirects = True

    url = 'http://media.rockstargames.com/rockstargames/img/global/news/upload/actual_'  + str(value) + '.png'

    print 'Trying "' + url + '" ...'

    http.request('GET', url)

    r = http.getresponse()

    if r.status != 404:
        print 'Image Found !'
    else:
        print 'Not found.'

    http.close()
    value += 1