A short tutorial for creating a Twitter gadget for Google Sites that will display tweets from a user or search.
Displaying Twitter tweets on your Google Sites website is difficult!
Google Sites filters your HTML code and doesn't allow you to add your own JavaScript code, therefore restricting you from adding any of the many existing Twitter widgets that exist today, including Twitter's very own.
The Google Gadgets directory contains a Twitter gadget called Twit. This is the gadget I was using in the past.