CTPicture pic = getCTPictures(graphicData).get(0);
// Set it up
CTPictureNonVisual nvPicPr = pic.addNewNvPicPr();
CTNonVisualDrawingProps cNvPr = nvPicPr.addNewCNvPr();
/* use "0" for the id. See ECM-576, 20.2.2.3 */
cNvPr.setId(0L);
/* This name is not visible in Word 2010 anywhere */
cNvPr.setName("Picture " + id);
cNvPr.setDescr(filename);