Look here for assistance in modding Rome: Total War.
Modification Resources - Collection of Walkthroughs, Tutorials, Modding tools and open source modules, skins, scripts, etc. for both beginning and advanced Modders.
Ask questions on mapping here, from creating new cities to moving resources to editing mountains or whole new worlds.
Ask questions about skinning, moddeling, animations, and any 2d art related aspects of modding.
Ask questions about all text editing and scripting aspects of modding.
Ask questions on sound editing here, music, unit voices, FX, etc....
Ask questions which do not fall into the other categories or cross categories here.