backdrop background brush canvas color colorful colors colours marker marks paint painting paints pastel pastels rough stroke strokes texture textures abstract artsy colour distortion hues tones wave waves camera children children's painting colored coloured colourful creative creativity decoration decorative hobby kid kids multicolored multicoloured painted painting art photography simple appearance appearances art artistic brushes Dirt dirty display displayed dried mixed paint-blobs palette smudge smudges surface surfaces used variety various wood wooden colourful brush painter acrylic acrylic paint close close up drip latex textured chalk pieces of chalk