I run 9-10 toons at a time and often have a Rogue(CWTN), shammy and Zerker(CWTN) OUTSIDE main group assisting on my SK(CWTN).
The way I found to make it work is on the Zerk and Rogue, I made a very basic kissassist file with nothing but bare basics like ReturntoCamp=1 and such, just the General...