[CentOS] CentOS With Windows Networks

Am pretty new to CentOS and linux.

I am trying to be able to share network drives and connect to a windows
workgroup with CentOS.

Machines are as follows.

Workgroup has been changed from WorkGroup or MSHome to my own setting

All of the client machines are formatted with NTFS

Windows XP
Windows Vista
Windows 2000
Linux CentOS
Iomega Network Drive (nas)