World builder Scenario Editor
on the picture to your left and see what the map editor
(named World Builder) looks like.
the editor, you'll be able to make maps (multiplayer and
skirmish), missions (standard), and mod missions (edited ini's).
have the ability to import new textures for modeling.
Custom triggers to your map.
playing online, the Generals game will be able to tell the
difference between modded map and official made Generals maps.