OK, I was having some trouble uploading the next update to the file sharing site I use (GameFront), so until I figure it out I will leave the update here as an attachment instead of linking to a download. Install instructions are as usual: just extract to your BtS\Mods folder and click "Replace All" when prompted to overwrite existing files.
The update changes the following:
-Borders now fixed: no more culture-based border fluctuations, and when you conquer a city you get an area of tiles around it (from a modmod by dexy)
-Minor nations no longer will delete all their starting units. This was accomplished (per a suggestion by Kiwitt) by giving extra promotions/experience to these civs' units. So not only will they keep their units, said units will now be more formidable.
-Variable unit cost: the more of a certain unit you have, the higher the

cost will be to build each successive unit of that type. This is to reduce unit spamming by the large nations.
-New unique building for Japan, S. Korea, and Taiwan that increases the number of trade routes they can support
-Various cosmetic changes, including a different menu background, more professional looking leader/civ buttons, new buttons to replace placeholders, and a few better looking buildings (from the database, credits to Kissa, hrochland, asioasioasio, and kodzi)
-A new unit and building combo: the computer virus and firewall. Now you can wage cyber war on your enemies (and your friends!) as well as protect yourself from the same. (uses a plot-selecting system developed by talchas)
-An updated map with better city placement and more realistic city-size ratios (thanks to Tigranes)
I hope you enjoy it, and if you have any more suggestions (especially considering balancing after my many changes), feel free to send them my way.