You can now quickly mod a bms file with out having to convert it to a mis file all the time.
Things you can do with it are as follows :
1: Change color of the terrain and buildings on it.
2: Change Camo color of the map
3: Change wind speed
4: Change Wind Direction
5: Change Fog level
6: Change fog color, (See the actual fog color)
7: Change water height
8: Add water level
9: Change map types
10: Change night to day and visa versa
11: Change weather (Rain/Snow)
12: Change sky settings (Stock)
13: Create over 200 new types of skies
Theres a bit more misc info on it as well. Everything possible in this tool is compatible with CB and any changes to the bms such as the terrain color and or new skies are all compatible with all players , Meaning they do not need any extra files to play on your modded BMS files