Yes, there is an untethered redsn0w jailbreak available for iOS 4.3.2. Here is a link that will have the download links that you need:
http://www.intomobile.com/2011/04/19...now-available/
When you get home to your computer, put your iPod into DFU mode, restore. Then try using redsn0w this time.
Sent from my iPhone 4 using Tapatalk.