iMagine Video
From the site:
A powerful image processing tool for AppleScript that uses Apple’s Quicktime, Quickdraw and Quartz technologies.
iMagine Video is a compositing tool for images, movie frames, shapes and text for AppleScript. iMagine Video provides comprehensive exif and IPTC support for image files and comes with example scripts and AppleScript droplets for the typical image file processing of scaling, cropping and rotating.