I have installed the GreaseMonkey Addon in Firefox 14, please tell me some great and useful GreaseMonkey Scripts which makes the browsing experience better and adds more functions to browser.
Google Book Downloader, but i don't know it's legal or not
i personally like its contribution to youtube downloading, idk but there are alot of sites that allow that, i just like it though
http://socialfixer.com/ for facebook is a really neat script and has some neat features.
Alternatively, you can also customize some websites by installing the Stylish addon. It modifies the css of the page. I have many stylish scripts installed, such as http://userstyles.org/styles/63354/chromeos-scrollbars-of-firefox