Dawning of the Jet Age is a set of free wargames rules in an alternate World War II that continues on until at least 1946. In this world, German and Allied jets fight it out for air superiority over Europe.
Rules: WWII
Painting WWII US Paratroopers
Mage Knight Kevin has a nice photo tutorial on painting US paratroopers from WWII.
Stalingrad Fast Play WWII Rules
Stalingrad is a set of fast play WWII rules.
Richard Bradley World War II Skirmish Rules
Richard Bradley offers a set of free wargames rules for World War II Skirmishes.
Pz8 Coastal Rules
Pz8 is a series of two-page wargames rules. Among them are is a set of free wargames rules for coastal actions.