Heavens Design Pages
AoEd/RoRd Tutorials by Scenario_t_c/Trisolo
If you ever wanted to modify the database files of AoE or RoR to your own liking, but don't know how, these great tutorials will explain pretty much everything you need to get started. Scenario_t_c's articles cover all the basics on the data structures and gives insight on how to modify them. A must read for everyone interested in creating modpacks, addons or creating alternate options for the game.
AoEd/RoRd Tutorial - Part 1: Basic
AoEd/RoRd Tutorial - Part 2: Data Structure (1)
AoEd/RoRd Tutorial - Part 3: Data Structure (2)
AoEd/RoRd Tutorial - Part 4: Data Structure (3)
You can download his database editing program AoEd/RoRd here, if you haven't already done so.
Graphic Editing Tutorial by Thompsoncs
Creating or editing new graphics can be difficult without the proper knowledge of what to do exactly. Thompsoncs has written a step-by-step guide on how to modify the Graphics.drs database. Beginning as well as advanced graphical modders will feel right at home reading this excellent article.
Graphic Editing Tutorial
Download SLP Studio here and download DRS Explorer here.