If she's more of a hands-on girl, this is her kind of party. Go a step further than just a lingerie party; have everyone bring lingerie along with embellishments like sequins and beads. You could also just have a make-your-own party and ask them to bring materials like silk or mesh — it doesn't have to actually stay on for the honeymoon. Here's another idea: Get an instructor to come teach you and your friends how to give a proper . . . well, you know. Babeland offers classes across the country, or just ask your local adult store if they know of any instructors in town.
Related: Secrets to a Fun Wedding Reception