To enter Tumme, type @kbd{M-x tumme}. It prompts for a directory;
specify one that has images files. This creates thumbnails for all
the images in that directory, and displays them all in the ``thumbnail
-buffer''. This takes a long time if the directory contains many image
+buffer.'' This takes a long time if the directory contains many image
files, and it asks for confirmation if the number of image files
exceeds @code{tumme-show-all-from-dir-max-files}.