Shoutbox

extentions are in
C:\Documents and Settings\your windows username\Application Data\Mozilla\Firefox\Profiles\profilename\extensions

never tried extracting extentions straight from the profile but this bat file is what i use when i build my extentions ,  find what extention you want and place this bat file inside the folder and run it then it should produce an xpi file




Bat file code ( you should know how to create a bat file....)

code:

---

set x=%cd%
md build\chrome
cd chrome
7z a -tzip "%x%.jar" * -r -mx=0
move "%x%.jar" ..\build\chrome
cd ..
copy install.* build
cd build
7z a -tzip "%x%.xpi" * -r -mx=9
move "%x%.xpi" ..\
cd ..
rd build /s/q

---

(7z = location of 7 zip command line version Linkage)

* -dt- goes and tests this but thinks it should work

edit:
worked for me