So I have just created another video showing my movement setup for my multiboxering. I used a bit of creative thinking to come up with a method that would be easy to use during PvP to aid in turning and kiting against other players.

http://www.youtube.com/watch?v=POGj5CChxWs

The keybindings are as follows --

Master's Keybindings --
Strafe Left - Q / Alt-Q
Forward - W / Alt-W
Strafe Right - E / Alt-E
Turn Left - A / Alt-A
Backwards - S / Alt-S
Turn Right - D / Alt-D

Slave's Keybindings --
Strafe Left - Alt-Q
Forward - Alt-W
Strafe Right - Alt-E
Turn Left - Alt-A
Backwards - Alt-S
Turn Right - Alt-D