Blackra1n for itunes 9.1

If you had recently updated your itunes into 9.1 then you will 100% face a problem while jailbraking your iphone 3G/s with Geoht Blackra1n, but hey here's the good news; a hacker came out with a more recent and patched Blackra1n that really works with your situation.
you can download it from here

Note that this will not work with 3.1.3