There is a very good bi-lingual web-site which is called A propos du Jardin.
You could get in touch with them and see if they can help.
Hi Maria,
I suggest that you contact James Bowman. He is a bi-lingual English web designer living in France and creates websites and facebook pages for gite owners as well as other businesses. He has had lots of success recently marketing English-owned gites on the French market and his prices are very reasonable. James can be contacted at james@the-web-partner.com
Anne x