Originally Posted by Salamandrine

You do know that you're not supposed to ride in the big/big gear don't you? Only time to put it in that gear is to test chain length. Your chain length in fact looks borderline too short.

HAHA. I put it on the big chain ring to take the pictures!

Pull and grease all the cables (probably replace) and adjust everything and it should shift fine. Getting the old frenchie derailleurs to shift quickly and well is possible with good setup, but it's unlikely that anybody in your LBS will have had much experience with them.