/dev/hda5 /media/hda5 <fs-type> auto,users,rw,umask=002 0 0
This should do it for you. The above entry has options (auto,users,rw,umask=002) which will mount the drive automatically, will be accessible by all users, users would be able to read write and directories would have 755 permissions.
Depending upon the fs-type you would have tweak rw
option. For NTFS, I would almost always be ro