Is there any way to gain write access to my Windows hard drive? I need to drop some files in from OS X that are too big for my thumb drive.

Oops, could someone move this to hardware? Sorry.

search for macFUSE that allows osx if read and write search for it in the forums and in google
everything you need to know should be there

I have used macFUSE with NTFS-3G to write access the NTFS format HD. It's work. but I found a problem with my USB 2.5" HD. It will not appear when I plug it. I can see it at Disk Utility and System profiler. But I can't mount this HD. I don't know what the problem.