18 Charlie has a tutorial on making 15mm palm trees. The methods looks good, and should be quick and inexpensive.
15mm
Modeling 15mm Wheat Fields
Here’s a tutorial on modeling 15mm wheatfields for your wargames terrain collection.
The key ingredient in this project are door mats made of coconut matting, called coir matting.
15mm Painting Advice
Zrune Lord has a brief photo tutorial on painting a 15mm orc. I find it interesting that he uses inks on his 15mm figures. I’ve never tried that, instead relying on blocking and dry brushing.
Tutorial On Fast Wash Painting In 15mm
Both the speed and quality of my painting have improved since I learned to use washes effectively. Here’s a nice tutorial on using washes in 15mm.
Two Page Tricorn
Two Page Tricorn is a set of rules for 18th century warfare. It is designed for the quick resolution of large scale battles, ideally using 6mm figures.