Ryan Scow has an article on making balsa strips look like realistic timbers.
Plains Indian Horse Symbols
I’m currently painting some of Wargames Foundry’s Plains Indians for a 7th Cavalry game. I found this site, with descriptions of symbols that the Native American warriors painted on their horses.
Magma Board Game
Magma is an abstract territory control print-and-play game from Invisible City
Fantasy Banners
The City of Solis website has some good looking, hand drawn banners that you can cut out and use with your Warhammer, Chronopia, or other fantasy armies.
How To Draw Paper Soldiers
Matt Fritz has some good instructions for drawing your own paper soldiers. This would be a good way to try out a new period!