Akihabara DVD stores might be a place to start? They will certainly have new stuff but there might be one or two with older JAV, or they may be able to point you in the direction of a store that does.
The bottom link from Manzakura still works from this post- http://www.akiba-online.com/showthread.php?t=1233891 - which contains these picture sets.
(hxxp://freakshare.com/files/ovvjxbmz/18_tomoe.zip.html)