For those of you that haven't noticed the current obsession in the CAD blogosphere of creating Simpsons avatars of oneself, check out this post from the Autodesk Labs blog for some background.
Now, to enter the fray myself. I spent some time a week or so ago playing around with the avatar creation tool on The Simpsons Movie website, but was pretty disappointed with the results:
But then I discovered the Simpsonize Me website, and my life changed. :-)
This site allows you to upload a photo, and it generates an avatar for you pretty much automatically (you have to specify a few parameters and can tweak the output, but this was a huge improvement, at least for someone with my extremely modest artistic talent):
The resolution of the output isn't as good as with the other tool, but you can get a fairly decent headshot for IM: