Dorset artist Mark van Wingerden has joined a host of stars including Ant & Dec, Martin Clunes and footballer Marcus Rashford supporting Canvas for the Mac, an on-line charity canvas auction for the Mac Unit in Christchurch A HOST of stars including Ant & Dec, Martin Clunes and footballer Marcus Rashford are supporting an online charity canvas auction for a Christchurch hospice and palliative care unit. Canvas for the Mac will see a growing collection of uniquely designed sketches and lyrics by well-known names from the worlds of TV, sport, art and music auctioned off on eBay. Other big names who have contributed canvases so far include Sandbanks resident Harry Redknapp, Brian May from Queen, comedian Michael MacIntyre and musical stars The Vamps.