Windows Vista Sidebar Widget userguide

The first thing you will see is a notice that you aren't known by CamTools.

Click on the wrench in top right corner of the vista widget. This will open the option menu. Remember that you copied the token from the site (if you didn't do that, go back to the vista widget section of the MyCamTools widgets website). Paste the token in the textfield and click the "Save token" button, and then press OK.
Now you should be seeing the following.

You can click on the items to see a detailed view of the selected item. If you click on the items you will be redirected to the corresponding CamTools site.