This folder contains additional non-core CGI scripts. sanity_test.pl - use this to determine if you're CGI / Web server is setup so that modules/packages in the 'lib' folder can be imported. save_to_server.pl - This is a sample script that demonstrates how to save an image permanently to the server in Perl. pixenate_cleanup_cache.pl - this script should be run peridically in the background (not via CGI) to remove old images from the pixenate/cache directory.