I have yet to really start multimoxing as a team (I'm still at the boosting stage) and would love to have a pally + 4 sham team but the biggest issue I'm having is finding a way to map my buttons.

Currently I play using the WASD to move and then EQRF and Shift states of WASDERF for various other moves and I've been using the same keys on all of my 70s while single boxing (warrior, mage, hunter, priest, shaman and pally) but I can't for the life of me figure out a good way of multiboxing with the same set up (tried numpad for slaves but it was a pain not having my hand on the mouse).

Heres what the buttons do on my pally (S = Shift):
S+W = Seal of Light
S+S = Seal of Wisdom
S+A = Flash Heal
S+D = Big Heal
Q = Simple taunt macro (taunt targets-target)
E = Hammer of Justice (Stun)
S+E = Judge Seal
F = Seal of Righteousness
S+F = Remove bad stuff (poison etc)
R = Gift of Naruu
S+R = Concecrate

Seems like a mess I know but its how I started playing WoW I've become very dependant on it for easyness/quick response.

I was thinking maybe using an ALT or CTRL state for the slaves while keeping the setup intact on my main but I'm probably opening myself up for a bigger nightmare.