Tips from left-handed players?

[Silken]

When I was younger, I was left without the use of my right hand for several months, and learned how to use the mouse with my left hand. I use the mouse in my right hand when I am gaming, but still use it in my left hand at work (without the buttons flipped).

I would imagine it would be the same, but you would just move with the keypad, instead of WASD.