Transparency doesn't work... help!

I've loaded, registared and updated WB 6.4 and downloaded several skins that have "glass" type features... but none of the transparecy functions seam to be working.  The taskbar and window frames are all opaqe.  Help.

Here's my system info:

Your computer has a Windows Experience Index base score of 3.1
Your Windows Graphics Experience score is 3.1

WindowBlinds version : WindowBlinds 6.4 (build 129 x86 - Vista Edition)

WindowBlinds is installed correctly on this PC
WindowBlinds appears to be activated on this PC
(Generic PnP Monitor) 1 is attached to Intel(R) 82945G Express Chipset Family

Wblind.dll      2009/03/24 13:59:20
Wbsrv.dll      2009/03/24 17:03:02
Wbconfig.exe      2009/02/10 13:13:20
Wbload.exe      2008/04/26 15:14:14
Wbhelp.dll      2008/04/26 15:14:07
Tray.dll           2008/04/26 15:14:21
Wbload.dll           2009/03/24 11:40:25
Screen.exe      2008/07/15 10:31:09