PoodLL comes with a host of widgets. Many of them are lifesavers. There is a flashcard widget, a stopwatch, a countdown timer, a click counter, a webcam broadcaster, a webcam subscriber, a set of dice, audio/video pairs, a calculator and more.
These widgets are inserted onto a page by using specially crafted filter strings. The strings look like this:
The filter strings give you great flexibility when configuring widgets, but when you are in a hurry you can use the widget selecter from PoodLL repository. It looks like this: