I posted this in the 19th Century Ballparks thread, but it should go here, too.
I've made a folder on Google Drive, which hopefully has all the missing pieces for at least the 19th century parks:
"Ballparks Complete" folder on Google Drive
This folder has the following:
Day/Night images for the 16 parks posted in this thread that are missing them:
Hilldale Park, Savin Rock Park, Ramona Park, Duluth Athletic Park, Westood Park, Scranton Athletic Park, Wearn Field, Ackerman Park, Skeeters Park, Anchorage Base Ball Park, Handlan's Park, Greenlawn Park, Buffalo International Fairgrounds Park, Harrison Park, Swayne Field, Allentown Fairgrounds Park.
Day/Night/Diagram images and Zip files for the 8 19th-Century parks that I made, the latter now including the Day/Night/Diagram images (these now have "complete" in their zip file names)
You should be able to pick and choose among those, and I think you should also be able to just download the whole shebang, though I think that might be 650 Mb altogether. If you're not interested in the 19th-century parks, picking and downloading the daytime images you want will probably be the best bet.
Alternately, you can download all of the missing day/night images for the parks here. Depending on what you want, that may be best.
Let me know if you have any questions or issues, and hopefully I can address them!
And happy St. Patrick's Day to all who celebrate!