- Requirements: chicken, libimlib2-dev, libexif-dev

$ git clone https://github.com/mario-goulart/awful-picman.git
$ cd awful-picman
$ git checkout spock
$ chicken-install
$ cd <directory with pictures>
$ awful-picman --init

- Point your browser to http://localhost:8080/folders

- On the top-right corner Click "Batch edit" -> "Edit selected thumbnails template"

- Select an option from the first select input of "Date"