New version of Image::IPTCInfo posted, my Perl module for manipulating IPTC meta-info in image files. This was merging in changes from Brian Carp of Photo Researchers, who has done all kinds of neat stuff with the module. Look for version 1.93 here:
http://cpan.org/modules/by-authors/id/J/JC/JCARTER/
Also wanted to point out a cool script by Paul Archer that uses IPTCInfo for easy and smart keyword manipulation for images: