How many interesting poses can one strike while forcibly neck chained up to a giant slug? If they weren't sultry enough for you, blame it on the people behind the camera. ;)
Leia being able to use The Force ought to be dealt with in the story. If she's more politician than Jedi, those abilities can give her an edge, or take her down a dark path that's hopefully more subtle than what we got in the prequels.