This site has some pictures and diagrams from the Sharpe film that centered around La Haye Saint. This is an outstanding resource for anyone wanting to build their own model of the farmstead.
When I first started playing Napoleonics, I was lost. There were so many characters and places and battles and politics and subterfuges. I enjoyed moving the lead around, but it was years before I felt I understood the greater background. If you want to break in a newbie, point him to this site.
From Matt Fritz comes this set of rules for using wargame miniatures to replay the fight for Hougoumont from the Battle of Waterloo.
For Napoleonics gamers looking for “something different,” there’s the Russo-Swedish war. Here’s some background and gaming possibilities: Russo Swedish War of 1808-1809
Black Powder is a set of free wargames rules by Wes Rogers for skirmish warfare in the period 1600 – 1870.