Until now we have exclusively dealt with single images. As stated at the beginning of this chapter, today this is not sufficient in most cases. It is likely we have thousands of images stored on our hard disk or at an external provider such as Flickr or Picasa. Commonly, these images are grouped to albums. It is a common use case to display these albums as an automatic or a manual slideshow. For Plone, there are two products that aim to fulfill this need. One of these products is
collective.plonetruegallery, which describes itself as:
A gallery/slideshow product for plone that can aggregate from picasa and flickr or use plone images (http://pypi.python.org/pypi/collective.plonetruegallery/).
This describes it very well. ...