Get "coolbits," it's a registry hack that allows you to use the Nvidia tweaking system built in.
*OR*
You can add it manually. Go to run and type in regedit. Go to this key HKEY_LOCAL_MACHINE\Software\NVIDIA Corporation\Global\NVTweak, and add a new DWORD value named coolbits. Now set the value to 3.
You should be all set after that. Maybe some extra cooling could help.
You can add these icons by updating your profile information to include your Heatware ID, Benching Profile ID or your Folding/SETI profile ID. Edit your profile!