This Hudson Monitor gadget for Vista / Windows 7 sidebar provides an easy way to keep an eye on the status of your Hudson jobs.
Work with Hudson v1.92 and later
Download the gadget package file from http://code.google.com/p/hudsonmonitor/
On a windows system, simply double-click the downloaded file to have it register itself with Microsft Gadgets. Use Gadget settings to get jobs from Hudson servers.