Possible Clues:

• I almost forgot about gallery with very good artist
• Contributing to epic as someone who produced most expensive pictures?
• "Dora Maar" painter
• Artist making short films about lead-free fuel with nothing added
• Painter of 'Guernica' (1937)
• 20th century painter
• Good governor of Cyprus finally sacking one artist
• Spanish painter, d. 1973
• Painter demands good bird, but not wary
• Artist's image: a fool with love