Laird OnDemand: Greasemonkey Mashups
Series of blog posts. Covers GM basics, provides a tutorial, examines use of Greasemoneky in an enterprise environment, looks as some security risks, and deals with updating issues.
Internet Duct Tape: Greasemonkey
Beginners tutorial on using Greasemonkey. Explains how it works and provides a sample set of scripts of users.
Greasemonkey Makes Firefox Unbeatable
Explains Greasemonkey to the non-techie, and explains why it can be a great extension for Firefox.
Blog entry and comments discussing the need for Greasemonkey script writers to take into consideration the imact that their script can have on other websites.