Thanks for the feedback guys. I have a few ideas that I got from movies (and some of my own). Let me know what you think and please feel free to add your own.
1. MASH. A woman is exposed while taking a shower to a large group of people when her shower tent is raised.
2. Used Cars. A woman has her dress ripped off on live TV by a car hood poping up.
3. Beginner's Luck. A woman's dress if ripped off on stage by a rising curtain in front of a howling, laughing audience.
4. A co-ed is stripped naked on the beach in a fight with a woman. Maybe she has her hands tied behind her back and sent running off the beach and down the street with a slap to her naked ass.
5. A woman is tossed out of a car in the middle of town totally naked by a group of vengeful girls.