Very nicely put together. The layout presents your information in a smooth and inviting way while providing some really nifty instruction. Most sites offering info similar to yours are very cluttered and distracting. I hope you'll consider doing more of these.
I usually use padding on an element to show a background image to the left of it, but the pseudo background-crop looks pretty great. Definitely going to use that one.<p>Is there anything stopping me from animating the background rotation with jQuery? That would add to the accordion effect if it works.