Mozilla Connect

I'm trying to ensure a complicated picture element is behaving the way I want and would love some tools to help me out.Some things that would help:a way to know which source is currently displayinga way to test that all the sources are valid imagesa ...

I have several extensions (1Password, Firefox Relay) which enhance form field functionality. I also rely on the browser's form fill behaviour as well. (I love that it will suggest previously used values when I fill out a form for a second time).These...