I can think of a number of sexy scenes, including "fly united"  or Helenya grabbing a delicious elven lover and carrying her into the air, only to have the tables turn when the elf turns out to be preying on the succubus, grabbing and tangling her wings to force her down.  I love those predator becomes prey scenes, especially on the wing.  Flying is SUCH an advantage, but wings are SO vulnerable  And sensitive.