Almost every script that I've gotten has been for sort of the generic Hollywood type. I haven't chosen them. All the ones I have chosen are because I've been fascinated with the source material or because of the script.
When you have a gown, there's much more to be concerned about. Where is this crease falling? Are you making a weird shape with the dress? Are you doing the designer justice? With a bathing suit, it's more about you and the mood you convey.
Every character I play has to be the hero of his own story, the way we're all heroes of our own lives.