Learning new tricks about Firefox

Yes, I know, Firefox has had security exposures, too. But I still feel a lot safer regarding trojans and other nasty stuff like CWS with the Mozilla browser than with IE. Tabbed browsing did it for me, so I've been using Firefox for almost a year, and I really prefer that browser. One thing I'm missing, though, is the Google toolbar. Although Firefox has the built-in search field, which can connect to Google, Yahoo, eBay, Furl, etc., the additional tools like the high-lighter were quite convenient.

Anyway, I learned two things about Firefox and browsers today:

1. It's amazing how customizable Firefox is. Just type about:config into the address field, and you can see what I mean. Now if I only knew what all those paramters do. Some are relatively easy to understand, others I probably better leave alone...
   
2. They are called favicons! I always wondered how some sites managed to get a tiny logo or other icon in front of the URL in the address field. I googled around for a few minutes until I found the answer on the clickfire site that explained it: It's basically a 16x16 icon with 16 colors, you name the file favicon.ico, place it into the appropriate directory of your website.... Done. That's how I managed to get the little 3D-cube next to the URL. Neat, but utterly useless. And if you're using IE, you're out of luck anyway.