Folks,
If you have contacts in local government, the civil service, other public bodies (police, NHS trusts, universities, etc) or political parties, please bring this appeal for open-licenced images of elected members. senior staff to their attention:
http://pigsonthewing.org.uk/politician-open-licenced-pictures-please/
I've already had some very positive responses and promises of images with open licences.
The post has already been translated and republished in Finland; other such reuse is welcome, under CC-By-SA 3.0