Footsteps in UDK

Using bob:

http://forums.epicgames.com/threads/813554-Footsteps-when-not-extending-UT

Traces:

http://udn.epicgames.com/Three/CollisionTechnicalGuide.html

Collision for Foot Placement:

http://forums.epicgames.com/threads/932156-Foot-placement-and-collision-cylinder-movement-interaction-question