Badia Software (http://www.badiasoftware.com/) has released BigPicture Lite on the Mac App Store in the Graphics & Design category. It requires Mac OS X 10.6.x or 10.7.x.
BigPicture Lite is the free version of the BigPicture plug-in for Adobe InDesign CS5 and CS5.5. It includes a detailed picture list, full-size previews, and tools for opening pictures and changing print status of images. Other features include: picture full path with pull-down menu, the ability to change the print status of selected images, and more.
BigPicture Lite sports a sidebar panel with picture preview and additional attributes. It offers a Quick Look preview of any image and a contextual menu that allows you to open any image with a default application or any application you choose. BigPicture Lite requires Adobe InDesign CS5 or CS5.5.