$ picwoodpecker.pl -s ~/local/doc/misc -debug
build_list received [/Users/ken/local/doc/misc]
DIR found: [/Users/ken/local/doc/misc] will be converted to [/Users/ken/local/doc/misc/*.jpg]
Please wait while processing 1 files....
	adding /Users/ken/local/doc/misc/Mandel_zoom_00_mandelbrot_set.jpg
ERROR creating a thumbnail for file [/Users/ken/local/doc/misc/Mandel_zoom_00_mandelbrot_set.jpg].I will use an empty one.
bad event type or keysym "?" at /Users/ken/perl5/perlbrew/perls/perl-5.24.0t/lib/site_perl/5.24.0/darwin-thread-multi-2level/Tk/Derived.pm line 469.