I got the editor working by using the 2 ocx files posted above, as well as downloading the remaining two ocx files that the editor complained about.
I'll post urls for where I downloaded them from.
MSCOMCTL.OCX...
I've been wondering about what these values do as well. I had a hunch that these values would be explained in one of the map editors on this site, so I tried that route...
I downloaded BW Express Map Editor, and in there, in Data/Help/Set_Global_Land_Balance_List.txt I found this list of values...