I developed a scenario for playing Liepzig 1813 using BBB. You can check it out here.
http://phdleadhead.blogspot.com.tr/p/rules-iii-russo-ottoman-war-of-1877.html (http://phdleadhead.blogspot.com.tr/p/rules-iii-russo-ottoman-war-of-1877.html)
It has not been playtested, so give it a try and suggest changes etc
KTravlos
Will take a look at this later on today. I'm sure Dave and I will try Nappies with the BBB rules as well as the opening rounds of WWI.