For a limited time, the Habet, Hoc Habet! Rules from Scale Creep Miniatures is available on a pay-what-you-want basis. These are designed for fast combat among Roman Gladiators, including campaign and gambling rules.
The Ultrawerke Blog has a post on making your own punch and die set — useful for making scale model rivets, bolts and nuts. Just the thing to dress up your miniature wargames vehicles and armor.
Here’s a nice photo tutorial on making fire and smoke effects for your wargames miniatures. The author has done a nice job on this one.
The Krigsspll.dk site offers a very large selection of downloadable flags for the Crusades. They are all very well done.
Osprey is offering its basic rules for the popular Frostgrave miniatures game for free.