That is an awsome website! Would you happen to have the collection of all those images available for download anywhere?
I don't have them for download, but this is the script I used to download and resize them all. It took about 24 hours for me:
https://github.com/zensible/art_slideshow/blob/shared/lib/ta...
Just go through the install steps in the README and run the above. It may take a smidge of hacking to get it working, this hasn't been polished for public consumption.