I know a Briard, his name is Artemis, awsome dog, he belongs to the the personal trainer I took Happy too several years ago, he helped Happy get over her fears

here is a link to the trainers website:
http://www.dogsdentrainingschool.com/

if you click on "the pack" it will bring you to a page with links to all her dogs, click on Artemis so see all the stuff her has done, including piccies