Possible Clues:

• Artist, one calling from the crow's-nest?
• Presumably not a painter of seascapes?
• See 1 down
• Painter left with an onlooker
• Edwin Henry - - , English painter 1802-73
• Edwin - - , painter
• Having a lookout, perhaps, for English painter
• Send Lear out for the English painter
• Dan reels about the painter
• The Monarch of the_Glen painter