This is Craigslist Image Preview Ext 2.0 (Free)




Make sure that firefox is closed. Copy the entire folder "craigslistimagepreviewext@mac" to the following directory. Hidden folder view must be on.
C:\Users\*****Your User*****\AppData\Roaming\Mozilla\Firefox\Profiles\gk5akrls.default\extensions

This folder "gk5akrls.default" May vary in names. It is the only folder in profiles.



Once you open up firefox it will tell you that a new add-on was installed.


Enjoy!!!