This week's book giveaway is in the General Computing forum. We're giving away four copies of Arduino in Action and have Martin Evans, Joshua Noble, and Jordan Hochenbaum on-line! See this thread for details.
This is a jumping spider that found its way onto my monitor.
I was once bit by a brown recluse spider. I had a big welt on my arm for six months. In those days I killed all spider and had to kill lots of flies and other bugs too. Now, I leave all jumping spiders and daddy long legs. They are safe to me, eat all the flies and bugs which makes me have nearly zero brown recluse food. So, a greatly reduced probability of brown recluse spiders.
Of course, there are few of these seen within city limits. But I'm right on the outskirts and if I were to venture into undeveloped land, there might be a few of these around.
I hear those centipedes can pack quite a punch. In South Africa we had these critters we call Shongololos. They are a huge type of millipede. Usually they end up as roadkill :P