This is a revisit of a post I made about three years ago, and repeated a year later. This has become more relevant recently because I changed the default avatars displayed next to comments to use random faces rather than random patterns. If you object to being portrayed as a grinning loon, read on.
You may have noticed that some people’s comments have an avatar picture next to them (no, not the film with the Roger Dean visuals), while others have a randomly assigned pattern. On this blog, the avatar picture is a gravatar (globally recognised avatar), and you can have one too. Once you set it up, you will find that it works in all sorts of places, not just this blog. Some other blogs may use other avatar standards, though.
Here’s how to do it: