@Dave R, @Gaieus, @thomthom
Thanks guys I will definitely try to find some better plugins and not waste my time with those.
Can you point to some general interesting ones?

Hi there,
I am trying to install "The SCF Power Toolbar (version 1)"
I tried to drop the "SCF Power Toolbar v1" in my plugins folder, try to install extension in the pref.

My Plugins folder

Nothing works
Please help
SU V 8.0.15157
Mac OS X 10.8.2