In a game will be brought in new building, not replacing previous. will be added new texture and elements of surroundings. Maps will become a bit more interesting and small cities will be present. Gradually I will add cities, buildings, constructions and elements of map . you watch after news.
New buildings
Make battletanks maps with this:
Bundysoft.com
John J's tutorial:
Bundysoft.com
Skyboxes:
Redsorceress.com