Rimgs works!
Server: http://127.0.0.1:8087

http://127.0.0.1:8087/img/BC/BCSB51.png
http://127.0.0.1:8087/img/foo/BC/BCSB51.png
http://127.0.0.1:8087/img/foo/150/150/BC/BCSB51.png
http://127.0.0.1:8087/img/slbj-500_BL_MBL.png
http://127.0.0.1:8087/check_cache