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Hello All! Just a quick note to let you know that the painting competition rules and advance tickets are up on the website. www.salute.co.uk We had over 200 entries last year with an incredible standard of painting and we expect the competition to be even bigger this year. There are some...

http://www-bcs.mit.edu/people/adelson/checkershadow_illusion.html Some good ideas and explanations on shading and contrast.