left-wing , buenos aires-based tectonica is responsible for the websites of more than 200 labour parliamentary candidates , including senior figures such as shadow foreign secretary and election chief douglas alexander and shadow defence minister vernon coaker , who oversee the party 's policy on the falklands .
also designed the websites of harriet harman , andy burnham and tristram hunt .
ed miliband is paying an argentinian company which has attacked ` vulture ' for miliband that