online extras Additional images of work by Elizabeth St. Hilaire Nelson Linda Blinn's suggested reading list and technique for optical lenses More from our Mixed-media "Tea Party" Challenge   contents features "Play on Words" reader challengePlaying with CopperLisa KausCombining copper with collage and painterly elements Cheap & ChicLinda BlinnMixed-media decorArtist Profile: Sarah AhearnCate Coulacos Prato…