The Napnuts site has a set of rules for conducting a Napoleonic Peninsular campaign. The Peninsular Campaign makes for a good campaign because of its relatively limited scope.
The Singapore miniature wargaming group that calls itself the NapNuts offers a page of Napoleonic Uniform Guides.
The British Battles website has accounts, maps and orders of battle for dozens of famous battles involving the British army. Included are Battles from King George’s War, the Jacobite Rebellion, The French and Indian War, the American Revolution, the Peninuslar War, and other Napoleonic Era battles. It’s an incredible resource for the miniature wargamer.
A Near Run Thing is a set of Napoleonics rules by Peter Hunt of the Hong Kong Society of Wargamers. From the members list, it seems that Hong Kong has quite a thriving miniature wargames community.
Back to the rules: A Near Run Thing apparently once was available as a commercial set, but now is revised and available on the net. Peter Hunt writes:
Herbert Wong written “March to the Sound of the Guns,” a Napoleonic wargame that is a variant of Games Workshop’s Warmaster miniatures rules. Warmaster is a generally good set of rules that borrows heavily from Fire and Fury and some other historical sets. Of course, Games Workshop would never admit that. Heck, they don’t even admit that there is a miniature wargaming hobby outside of the “Games Workshop Hobby.”