Adding security module for gemalto token v2 in firefox 4

Does anyone know how to configure fire fox 4 on a mac 10.6 for a gemalto usb v2 token? Long story short I can successfully add the security module in firefox 3.X for Mac but it fails to load in firefox 4. The settings I use when loading creating a new security module/device in firefox 4 are: - Module name: Token - Module filename: /usr/local/lib/libaetpkss.dylib Like I said, on these settings work fine on firefox 3.X but will not work on firefox 4.X There have been no changes i drivers or middleware on the gemalto token. Any help would be greatly appreciated! Regards, Michael