I think Leaving Las Vegas could really use with some hardcore sex; especially the end scene when Ben is dying and Sera mounts him- he begins to cough then slowly rises and mutters "See how hard you make me angel?" to which Sera lifts her skirt, fingers her twat and spreads the lips open then pisses on Ben's cock.
The rest of the scene could end up like this before receding to Sera's confessional: