As much as we love them, no one can deny that webcam dance videos can get awfully formulaic: start with a girl, put some underwear on her, add a Britney or Avril soundtrack, have her jump around a bit, and repeat. Too bad more aspiring interweb superstars aren't taking more tips and tricks from Brooke Marks (she of the Victoria's Secret Drinking Game fame and her helpful how-to video from last year ... even if we think you'll probably want to save that Scientology dance for those special friends. (YouTube, via The Sex Carnival + BrookeMarks.com)