Web site design and build:

Ed Lea of http://www.edleadesign.co.uk

Framework and backend development:

Demian Turner of http://www.phpkitchen.com/

Watermarking:

Pritpal Bhamber of http://www.mediacontentlab.com/

Legal:

John Lambert of http://www.nipclaw.blogspot.com/

Built using open source software:

Seagull Framework http://seagullproject.org/

jquery http://jquery.com/

FamFamFam http://www.famfamfam.com/

jlightbox http://drupal.org/project/jlightbox