Rated 3 out of 5 stars

Can you make the show panel key configurable? As I said CRTL+1 does not work for me. I am using Palemoon x64 15.1 version on Windows XP x64 SP2

This review is for a previous version of the add-on (0.3). 

Sure. I will try.

Rated 3 out of 5 stars

CTRL-1 does not work for me.

This review is for a previous version of the add-on (0.3). 

Accel is a platform-specific key:

http://www.mozilla.org/access/keyboard/

I develop on Linux and CTRL-1 is works for me.
On what platform you are running?

Good but... Rated 3 out of 5 stars

What exactly is accel-1 shortkey? can you detail exactly the keys to press to get the folder pane to show?

This review is for a previous version of the add-on (0.3).