1. A method for monitoring an exerciser comprising: detecting movement of the exerciser using providing a device with a video camera; capturing an image of the moving exerciser with the video camera; transmitting the captured image to an identity verification device; comparing biometric data from the exerciser to a biometric profile provided by the exerciser; collecting exercise data from the exerciser if the biometric data matches the biometric profile; generating a motivational image of the exerciser with a processing device, the motivational image being produced solely from data obtained from an acquired image of the exerciser, the acquired image depicting at least one feature of the exerciser; and displaying the motivational image from the processing device in substantially real time while the exerciser is in motion; wherein the motivational image exclusively depicts a real image that is a thinner and/or more muscular version of the captured image of the exerciser.