Me at PyCon Argentina 2009
Here I am speaking...
And here's the audience...
I really, really really hope they were laughing with me.
Pictures by Beatrice Murch licensed under creative commons.
And one more. This was the first day, when I was speaking about Norvig's 20-line spellchecker (slides here)
Photo by Kant (Ariel Kanterewicz), CC:BY