There are 4 parks included in this release, a day and a night version for both the 1950s and 1960s/70s.
To install, rename com-day-50s (or -60s).big to usceday.big, and com-nite-50s (or -60s).big to uscenite.big. Then, copy to your MVP Baseball 2005dataStadium folder This will overwrite your US Cellular Park installation, or previous installs of Comiskey, so make sure to back up.
Also, copy usceday.txt and uscenite.txt to the MVP Baseball 2005data folder.
Sean O and Paulw