In the first URL that you listed, the author states "It is easy to open up gadgets and check the code, says Chien. So, if you know anything about coding, you can easily detect if a gadget is malicious. On the other hand, because most gadgets are written in script languages, it is also quite easy to add to the existing code and modify the gadget. Some frameworks do prevent gadgets from being modified, but gadgets are easily modified in Vista, he says." But the author neglects to tell you how to EASILY open up gadgets and check the code.

ANT: Since you have coded one, any tips on the best way to find, let alone check them?