It would help to know what your playing, I am guessing 5 casters since your main is 'nuking'. anyways spamming follow, combined with movement from the player, the environment / npcs, some lag and sure your going to end up being twisted around. Even with your 'nukers', drop the characters into a stationary form like a tank+dps would when your setup when its needed or stop moving completely. I think this would involve a key and having all the slave characters take a step back.

Might be party ability bars, shows the cooldowns of all your party members
http://www.wowinterface.com/download...ilityBars.html