I installed Snow Leopard on my Macbook Pro. I then installed Windows 7 in a Boot Camp partition. Then using Windows 7's disk management console, I resized my Windows 7partition and created a 3rd NTFS partition for data, intending for both Windows 7 and Snow Leopard to read/write this partition. 

I installed MacFuse and NTFS-3G in Snow Leopard, but Snow Leopard still shows I have a single Windows 7 partition. How can I get Snow Leopard to recognize my third partition?