einstein's legacy (http://www.einsteinslegacy.com) has announced MovieBriefs 1.3.1. It's an update of the Mac OS X video utility for creating image contact sheets from your movies by extracting up to 400 images and displaying them in an onscreen grid.  

MovieBriefs, not only prints and exports overview images, but users may also create dynamic slide shows and share images via e-mail or with popular internet services like Facebook and Twitter. Version 1.3.1 includes enhancements to slide show playback, improved timing accuracy, a new movie info panel, and adjustable image output sizing.

MovieBriefs 1.3.1 is available for US$9.99 from the Mac App Store  (in the Video category). It requires Mac OS X 10.9 or higher.