Along with building a Shower for Lt. Flintlock in FrontierVille, you'll also need to complete a five-part set of goals detailing Fort Courage and the new Shower building. The first goal sees you simply placing a Shower on your land.
Harvest 30 Potatoes
Place the Shower
Craft 1 Sawhorse in the Barn
Sawhorses are crafted using five Planks and two Tools, with Planks themselves being a craft item from the Covered Wagon, which take 7 Wood and 250 coins each to make. Finishing this first goal gives you 100 coins, 250 XP, and one Care Package.