I would recommend using the G Toolbox. It sounds like they are doing upgrades for 6.1. You should contact them about getting a copy for 6.1. The URL is http://gtoolbox.topcool.net/index.html
INVtray LabVIEW Toolkit allows the programmer to create a LabVIEW program that can be hidden from the task bar and accessed through the System Tray. Comes with a sample VI that demonstrates all the features of the toolkit.