Here is the link to the presentation I gave Monday afternoon at the O'Reilly booth at Web2.0 Expo. It was a 45-minute quick-tour through Neogeography and cool tools/utilities/howtos that you should investigate more.
Web2.0 - Neogeography (10MB, pdf). Measures at 86 slides.
I was bad and used some animations for changing images and showing examples. This doesn't work so well in PDF format. The links and primary material is still there. If something is unclear, just drop me a line and I can explain it, point to the source, or otherwise clarify.
This is just a small sample of what is discussed in the actual Neogeography Shortcut, so I of course still recommend picking that up at the low-low price of $7.99. Much cheaper than the Web2.0 Expo was. :)