Picture posting is enabled for all :)
We've had no reports of blight, and no Smith periods have been reported. Don't worry! When you get a string of Smith periods, be afraid.
Hild have a look herehttp://www.blightwatch.co.uk/content/bw-Smith.asp
I think it might be 'Target spot' see here; http://www.potato.org.uk/department/knowledge_transfer/pests_and_diseases/ref.html?item=28