(define-page (regexp "/assets/.+/.+")
 (lambda (path)
  (let* ((paths (string-split path "/"))
         (asset-id (second paths))
         (type     (third paths)))
    (awful-response-headers `((content-type image/jpeg)))
    (send-static-file "/home/local/andyjpb/.../thumbs/IMG_5021.JPG")
    ""
  ))
 no-template: #t)