The July Annual introduces a new tool in the Dungeon mapper's arsenal: Dynamic lights and shadows to illuminate maps in new and unforseen ways. This includes tools to define viewpoints and shadow-casting obsctructions that will enable you to create fog-of-war effects.
In addition to new lighting commands, specially set up templates and example maps, the issue will contain DD3 symbols with included light sources. Just put a torch on a wall, turn on sheet effects, and you'll see the flickering torch-light illuminate corridors and rooms and cast shadows across the floor. And of course a mapping guide explains everything in detail.
The tool pack Lighted Dungeons includes