HOW TO: Display Your GCal Agenda in Firefoxs Sidebar
You already know that you can load bookmarks in Firefox’s sidebar, and that narrow webapps like iPhone-optimized services work well there. Reader Eli writes in with how he customizes his Google Calendar agenda to load in his Firefox sidebar, with events from multiple calendars, as wide as he likes.
Here’s how to set up your Firefox sidebar-friendly agenda using GCal’s embeddable calendar HTML. Step By Step: Display Your GCal Agenda in Firefox’s Sidebar - Lifehacker