Most of my family lines are from from Dexter (Walthall) and Improve, Pittman, Bullocks, Brumfields and a host of others. Here are a couple of good sites for research tools

http://www.itd.nps.gov/cwss/soldiers.cfm

http://www.mississippiscv.org/mississippi_history.htm

Of course I must invite you to the 7th Miss. Give us a holler at

http://www.geocities.com/poboy1961/index.html

GP