In the scene where Captain Love and Antonio Banderas (as Zorro) meet in the hallway of the hacienda, two guards rush down the hallway and drop their rifles and swords. Zorro asks them to bend over and then proceed to kick/nudge them out the window. If you watch carefully, you'll notice that the guard on the right (furthest from Zorro) reacts to the kick too early.
Catherine Zeta Jones, after her fight with Zorro, her dress rips off. She turns around to grab the hat and you can see her nipple for one frame.