hey, looks like there are some great customs being put into this. here's my little contribution so far. i included thier names and made some comments next to some of them, but they can be used for whatever sort of chrecter the group decides on!
=Tri Sunor= Mercenary & Jedi Killer (former Jedi Master)
A Survivor of the Battle Of Geonosis, The Clone Wars and Order 66, former Jedi Master Anzor Sunor is a great warrior and a force to be reckoned with. After fighting his way through battalions of traitorous Clones, watching the fall of the Jedi Order and sensing the coming darkness closing it's grip on the galaxy, Tri, as many other Jedi, assumed another identity and went underground. Sheding his Jedi robes, he took up the title of mercenary. Anzor changed his name to Tri, armed himself well, including a modified heavy blaster he "reappropriated" from a dispatched ARC Trooper and carried 2 lightsabers, claiming to be a Jedi killer to amplify his mercenary persona. The 2 lightsabers are actually his own and that of his fallen Padawan, who was killed during Order 66. Tri has become a wanderer, hoping one day to somehow bring justice back to the galaxy and return the Jedi Order to it's former place in a broken galaxy.
Tri was last seen on Dantooine with a small faction of the growing Anti-Empire movement. His current whereabouts are unknown......
(might be good for one of the survivor jedi that is battling a group of stormtroopers you mentioned chewie.)
=Weequay Bounty Hunter=
=Zutall Nurk=(could be another surviving jedi or just another peasant)
=Ithorian Rebel Fighter=
=Mon Calimari Ambassador=(or could be used as just about any type of charecter)
=Rodian Bar Hopper w/spice inhaler=
=Wint Habar= Yak Boss for a Mercenary/Slaver crew.