Here's the details:
Take a picture of yourself right now. Don’t change your clothes. Don’t fix your hair. Just take a picture. Post that picture with no editing. (Except maybe to get the image size down to something reasonable. Don’t go posting an eight megapixel image.) Include these instructions.
And the picture, taken with the new Nokia N800.
There are, apparently, color balance issues. But my startling likeness to my LJ avatar remains intact.