Firebug 1.6 favorite features

Firebug 1.6, the plugin for Firefox, is newly released; for debugging or developing web apps, like Wordpress, it is simply indispensable.

A few of my favorite features:

1. Scrollable breadcrumbs, solves the one biggest thing that always drove me nuts, in dealing with Real World css.

2. Copy CSS from the inspection window by right-clicking on the declaration: