Rudi Geudens has a page with photos of World War One guns and tanks from the Belgian Royal Museum of the Army and Military History in Brussels. Photos such as these are always useful when painting your wargames miniatures.
world war One
14 – 18: Vistula, Verdun, Versailles
14 – 18: Vistula, Verdun, Versailles is a set of free wargames rules for playing the first World War in 2mm scale.
I Wish I Was In France East Africa WWI Rules
I Wish I Was In France is a set of free wargames rules for WWI era games set in East Africa.