caption are not shown on site

Hey,

I tried the newest version(2.0.7) of polaroid gallery. Everything work..almost: The captions are not shown. Plz look here: http://gemeinsam-am-rotstein.de/der-hof/hofstelle/

When de-activating plugin, the wordpress-own gallery is showing them.

Has anyone an idea?

http://wordpress.org/plugins/polaroid-gallery/