Kirsty Brown showed us a stunning way to use our Beautiful Butterflies Sizzix die. I would try to explain it, but a picture would do the job way better. Here's my take on her nifty technique:

And a closeup:

Once you have the positioning correct, these double cut butterflies are a snap to make - just ask the ladies I taught it to the other week!
Supplies used:
Stamp(s): Baroque Motifs, Vintage Vogue
Ink: Pear Pizazz, Concord Crush
Cardstock: Conford Crush, Pear Pizazz, Whisper White, Bashful Blue
Other: Beautiful Butterflies Bigz Die, Finial Press Em3/16" Corner Rounder, Basic Rhinestones