I didn't find this, but I haven't seen anything on the forums so I wanted to share. It seemed useful with the WSG holiday weekend going on now and for all the other people who love pvp
[WSG] Goblin rocket jump glitch [WoW] 4.3 - YouTube
It is a way for goblins in WSG to hide with the flag up a top their base. They can easily just drop down onto the cap when the Horde flag is returned.
Enjoy!