Tutorials regarding modding all aspects of the battlefield aside from units - including buildings, vegetation, sky, time of day, landscapes and creating custom battlefields using the Battle Editor.
Tutorials as to modifications that can be made that effect the entirety of a faction, such as faction symbols, core personalities, hording and other attributes.
Tutorials regarding the small 2D graphic which denotes a specific unit on the campaign map and battlefield, also the larger 2D unit_info graphic included with the unit description.
A category for modders to add links to useful answers - either from questions they've asked themselves or when they've written the answers and would like to have it available for future reference.