In Return of the Jedi the Rebel Alliance sends an assault force to the forest moon of Endor, to disable the shield generator protecting the new Death Star. Along with the newly promoted General Han Solo, Leia Organa joined the rag tag Rebel group dressed in forest-esque camouflage. with Leia wearing a camo poncho and battle helmet. Leia eventually goes off to chase some Imperial Biker Scouts, but gets shot off her Speeder Bike only to encounter the cuddly Ewok, Wicket. As everyone knows, the Rebels win, the Imps lose, and we get a really funny song from the Ewoks. Unless of course we watch the blasphemy that is the Special Edition ending of ROTJ.
This isn't so much a custom figure as the exchanging of accessories between pre-existing figures. One night while in the DeathStarPlans.com chatroom, it was suggested to me by funnyman Coheteboy (check out his Outhouse comic site by clicking HERE) to make an Endor Leia with removable accessories. So what I did was take the POTJ General Leia Organa and gave it the poncho from the POTF2 Endor Leia and the helmet from the Saga Endor Rebel Trooper and shazaam! this "custom" is complete. This figure took all of 8 seconds to make, 6 of which were used just to find the parts. :)