Sn0wbreeze 2.3b3 has been released by iH8sn0w and the download link is live. Sn0wbreeze 2.3b3 fixes the iBooty issues with the iPod Touch 4G. Some days ago, Sn0wbreeze 2.3b1 was released, then yesterday the beta 2 version was released with some fixes and now the Sn0wbreeze 2.3b3 has been released with this fix.
The jailbreaking process with this version is same as that of Sn0wbreeze 2.3 b1. You could find the jailbreak instructions using Sn0wbreeze 2.3b3 in the below link.
Download Sn0wbreeze 2.3b3 from here