I have used or still use the websites below which you may find of interest.
www.art-in-mind.co.uk (Exhibition April 2012 at Maynard School)
www.saatchionline.com Works for sale here
www.nationalartandcraft.com Works for sale here
www.littlearthouse.co.uk Paintings prints and cards for sale here.
www.MandySwift.com (my website Guru)
www.bramblebuzz.co.uk (Nigel Botterill’s Entrepreneur’s Circle)