Once again some Vancouver artists drove out to Port Moody to spend a day painting plates. Yesterday's 'Raiders' were Eric Metcalfe, Mina Totino and first-time-visitor Elizabeth Zvonar. All three jumped right in to work, Eric carefully drawing and then painting two more plates in his new series of 'Dazzle' images, Mina painting right away on three of the rimless coupe plates and later, a larger oval…