Rick, you start with this belt here:
http://www.tandyleatherfactory.com/e...44518-186.aspx
I believe it is the 2" belt. Then get the brown dye. I remember I dyed mine using those bottles of shoe polish with the little sponge on the tip. Mine was brown and i dyed mine black to make it into an imperial officer belt.
Here is the closest buckle right now:
http://www.paradestore.com/detail.aspx?ID=855