I'm sorry there is no such site cause there is no typical French countryside : too much different landscapes even if It (?)'s a small country (maybe that's why it's the first touristic destination in the world :mrgreen: ).
Nothing compare Vendée :
To Provence, for exemple :wink: :
So, I think you should use google image to find what you're looking for, with simple word as "bocage" for exemple :
And for Normandie after D-Day, you could search here :
http://www.flickr.com/photos/photosnormandie/page7/meow,
Matt