7/25		Scrub picture – it's not executed with pencil, crayon or charcoal (5,7)
8		Real cool primary colour in Daler- Rowney Luma Brilliant Concentrated Water Colour inks range! (3.6)
10		Agitating till our Montmartre street scene painter appears (7)
11		20th C French artist ultra-excited about Open University (7)
12		City associated with Rubens – one idiot! (7)
14		A bishop's staff has crimson top – more pinky-red (7)
15		Matisse also holds a wax impression (4)
17		Andrew, US naturalistic artist – a little shallow yet haunting (5)
18		Used for drawing or printmaking, they produce rough skin (4)
22		Receiver holds first class tin- glazed earthenware from France, etc. (7)
23		Artist finishes off this ancient Greek two-handled jug (7)
25		See 7
26		Seen in Munich, a gallant Russian- Jewish artist (7)
27		Of inestimable value? How very funny! (9)
28		Rejoice in latex, ultimately (5)

1		Small protruding tower is sort of truer with Turner's top (6)
2		D.K. Leach possibly used colouring sticks (7)
3		Joan, the Catalan artist gets ball- point pen with new cap (4)
4		Unglazed earthenware revealed by potter (RA) Cottage (10)
5		A rogue shattered rust on copper/brass (6)
6		Trompe l'oeil is unhealthy to start with (8)
7		USA a hub, maybe, of this German school of art and design (7)
9		Hidden in yellow, a terrific liquid (5)
13		Energy pays, mixing such a darkish neutral colour (6,4)
16		Red colouring in rail A-Z possibly (8)
19		Sounds like O'Hara's brilliant red (7)
20		Awfully nice Sid, cut into an engraving plate (7)
21		South beseeched the Almighty and used an aerosol! (7)
22		Brassed off, being involved in safe duplicating (3,2)
24		Like gouache? Thats not clear (6)
26		The Players - a model made from a mould (4)