Export all groups on all canvases in a OmniGraffle document as seperate files. Useful for rapid prototyping: Only group all wireframes in your document, run the export and create a prototype with the exported images with, for instance, http://invisionapp.com
Supported filetypes: PDF, TIFF, PNG, GIF, JPG, EPS, SVG, PICT, BMP.
This is an elaboration on the great export script by http://sunnyinsight.blogspot.nl/2009/08/applescripting-with-omnigraffle.html