Google Images Bypass Content Security Policy
Bypasses the Content Security Policy of websites that are blocking the website preview view on Google Images results. Otherwise you only see the mesage: Blocked by Content Security Policy. This page has a content security policy that prevents it from being loaded in this way. Firefox prevented this page from loading in this way because the page has a content security policy that disallows it.
Pinterest.com Backup Original Files
Download all original images from your Pinterest.com profile. Creates an entry in the Greasemonkey menu, just go to one of your boards, scroll down to the last image and click the option in the menu.