Currency Converter
Javascript currency converter that updates the conversion in real time (the rates are updated once every hour from Yahoo!). Works best when used as a sidebar in Firefox (bookmark, and check "Load this bookmark in the sidebar" in the properties).

Gametrailers.com Podcast
Converts the rss feed for the latest videos into a podcast, so the videos can be downloaded automatically through iTunes or other podcast software. Available in Quicktime (for iTunes) or Windows Media flavours.