http://tuntaposx.sourceforge.net/download.xhtml
I downloaded and installed it and TunnelBlick is back running like a champ.
This also brings up a point that by default Snow Leopard does NOT start using the 64-bit kernel extensions. You can force it by holding down the 6 and 4 keys during boot, or download this cute little tool which lets you select your startup mode and forget it. You can still override it by holding down the 3 and 2 keys or 6 and 4 keys during boot.
http://www.ahatfullofsky.comuv.com/English/Programs/SMS/SMS.html
Have fun all.