yup, pretty much exactly what DrunkMurray said.

"Interact with Target" and "Click to Move" (IWT & CTM) are clearly baseline settings for multiboxers.

- target the vendor/corpse/flightmaster/mob to skin etc on your main
- have your slaves assist your main
- click your IWT key

all the slaves that can talk/interact with that target will move to it and open the dialog box or do whatever they need to do.

if it's a mob to skin, only the skinners will run to it and skin it. if you have auto loot on they will even pick up the fur automatically
if it's a vendor, you can have jamba automatically sell all their gray items
if it's a repairer, you can have jamba automatically repair all the toons
if it's a mob dropping quest items, all slaves that still need the items will run to loot it
if it's a flight master, all toons will go and open the FP dialog, and with Jamba they will select the same FP as the master.

as a side note, uwing IWT+CTM will obviously break follow (if the slaves actually have something to interact with)

Cheers
-Zub