Think Simple and Rustic. The balance of polish and rustic here is perfect. The antique botanical renderings, the texture of the baskets, and fresh flowers give this French flea market style.
Add Parisian touches via gilded tables and velvet. Also, add an ever-changing mini-tablescape on a tray.
Use clean and fresh upholstery (suggestions: white linen or burlap) on antique furniture. Show off the metal upholstery nails as well. The next few photos show good examples of these things.
Here is another example of how upholstery nails can add to the look.
Go rent Sophia Coppola's Marie Antoinette and channel her. Think ornate mirrors, mouldings, feathers and marble.
Consider the light. French doors are a wonderful way to let it in.
Add Parisian details via light fixtures and cabinet hardware.
Add a repeated rustic element. These bottles can be found inexpensively and the grouping makes a statement.
Consider classic traditional chairs in unexpected finishes and upholstery. The tea-stained wood treatment look combined with the golden seats give this dining room a subtle flair.
Find affordable artwork and give it a Monet-worthy frame job. You don't have to go bust at Sotheby's to find a lovely seascape or...
Back to Marie Antoinette, channel her in the bedroom as well.