ftp://avatar.snc.edu/pub/furry/images/downloads

http://rat.org/cgi-bin/fur-search.cgi?search=ferret&word=on
http://rat.org/cgi-bin/fur-search.cgi?search=rats&word=on
http://rat.org/cgi-bin/fur-search.cgi?search=rodent&word=on
http://rat.org/cgi-bin/fur-search.cgi?search=rodents&word=on
http://rat.org/cgi-bin/fur-search.cgi?search=rat&word=on

http://www.netbook.net/furry/d6/