Hmm, Battle Packs, huh? Here are some prequel ideas.
EPISODE II
Droid Factory Chase with Anakin Skywalker, Padme Amidala, R2-D2 & 2 x Geonosians
Well, I came close with a theme here, but not the figure lineup.
Here are some OT ideas:
EPISODE IVMos Eisley Cantina showdown - Han Solo (VOTC), Greedo (with booth), Bannis Keeg (Duros), Lirin Car'n (Bith) and Yerka Mig
Detention Block breakout - Han Solo in Stormtrooper disguise, Luke Skywalker in Stormtrooper disguise, Chewbacca w/ binders & blaster rifle (Early Bird), Lieutenant Childsen & 2 X Death Star Troopers
Yavin IV Medal Ceremony - Princess Leia, Luke Skywalker (30AC revised), Han Solo, Chewbacca, C-3PO, R2-D2, General Jan Dodonna
EPISODE VVader communicates with the Emporer - Darth Vader, giant Emporer Palpatine holographic head, holo-pad & meditation chamber
Escape from Bespin - Lando Calrissian (VOTC minus cloak), Princess Leia (new), Chewbacca w/ C-3PO, R2-D2 & 2 X Stormtroopers
EPISODE VIEscape From Jabba's Sail Barge - Luke Skywalker, Slave Leia, deck gun, Sail Barge Nikto (vintage), Velken Tezeri, Sail barge Weequay
Death Star II Duel - Emporer Palpatine (new, softgoods), throne, Luke Skywalker, Darth Vader, 2 x Royal Guards (ROTS, but w/ force pikes)