Here you’ll find my tutorial for getting a custom rig into the Unreal 3 engine

Part 1: Intro and requirements

Part 2: Importing, file structure and package management

Part 3: Material setup

Part 4: Anim tree basics

Part 5: Misc Character setup

Part 6: Scripting

Part 7: More scripting and game types

Whole tutorial converted to .PDF by Tom Mooney