No worries. I didn't create the code though. Just found it on the net and adjusted it :)
Great stuff, thank for the code. Can I ask where the RSS feed is? Can't find it!
Edit: Never mind, found it! http://feeds.nationalgeographic.com/...to-of-the-day/
Looks nice, but it's not only prohibitively expensive for education but also very US-focused. You'll find very little that goes on in here for commercial use, we're (almost) all based in UK non-profit educational workplaces.