I can definitely nail it down to one per movie...
TPM: Captain Panaka (I don't really like this guy, but his figure sucks)
AOTC: Boba Fett (same deal as Panaka, though OT Fett is awesome)
ROTS: Wookiee warriors
ANH: Tonnika Sisters
ESB: Bespin Escape Leia
ROTJ: Ree Yees