You can view and download the datasets from the Open Data category of the Image Store. The dataset have been released as comma separated value (CSV) files released under a Creative Commons zero licence (CC0). The accompanying image files are released under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 licence (CC-BY-NC-ND 3.0).
For more on why we are releasing this information as open data, see our blog. We are also looking for coders, developers and digital artists to use this data as part of our New Cabinets for New Curiosities project. This data could get you a chance to showcase your work in Brighton Museum & Art Gallery as part of the 2012 Brighton Digital Festival!