Not multiboxing, but I leveled a rogue to 16 on Archimonde so I could follow and watch the event safely. Added Vyndree and Suvega to my friends list so I would notice when it was time to move out, turns out the cloud of gnomes was a clear enough sign.

I tried to stay out of the way and take pictures of everything I could, only posting a couple here but there are more uploaded to this Photobucket album. Only killed a few mobs when they looked like they would cause some inconvenient deaths (spider attacking a gnome on the way to Hogger, some Defias respawns while everyone was focused on the horde). Logged off around the time everyone was vanishing for STV.

Here are a couple of the pictures I got of the event:

The auction house:


Hogger going down:


Flames in IF:


Gnomes dueling each other:


Waiting for the tram / Wilbur streaking:


Was so neat to finally see multiboxers in action... Saw a shammy trio in AV once but they promptly blew me up, couldn't make it back for screenshots before the BG ended.