In Firefox Preferences some select boxes are too small in some themes (Natty)

[Curt Tresenriter]

On Tue, 2011-07-12 at 16:05 -0700, NoOp wrote:
*~*~*~*~*~*~snip*~*~*~*~*~*~*~*~
> Sorry, forgot to add that if you'd like to test FF8 for your bug report
> Colin, you can download from here:
> 
> http://nightly.mozilla.org/
> 
> Extract the .bz2 to a home folder & then run 'firefox' from the /firefox
> folder.

I downloaded/extracted, cd'd to the dir and ran 'firefox' but when I
looked at "help'about..." it says it's version 3.6.18.
What did I do wrong?