Mac version of greenpois0n will be located below. limesn0w iOS 4.1 iPhone 4 & 3GS unlock for baseband 05.15.01 / 2.10.04 below.
Windows - http://bit.ly/a20y2D
Linux - http://bit.ly/bEs4U3
Mac - Coming soon in a new video!
or download at http://greenpois0n.com
Make sure to update to iTunes 10.0.1+ before jailbreaking or it won't jailbreak your device.
Download iTunes 10.0.1
Make sure to update to firmware (4.1 on iPhone & iPod touch) or (3.2.2 on iPad) before attempting to jailbreak.
greenpois0n will support the following iDevices:
iPhone 4 - 4.1 Firmware
iPhone 3Gs - 4.1 Firmware
iPod Touch 4G - 4.1 Firmware
iPod Touch 3G - 4.1 Firmware
iPad - 3.2.2 Firmware
If you get stuck on DFU mode or Loader does not show do a full restore in iTunes to 4.1 / 3.2.2 then re run greenpois0n this will work.