backdrop background breeze cloud clouds cloudy color colour colours curves flowing gradient hues pastel pastels shades sky texture textures tones colors paint paints paper papier series variation variations variety various watercolor watercolour abstract cotton fiber fibers grunge grungy rough stuff stuffing angles appearance artificial backgrounds barrier coated coloring colouring concrete constructed creative decorative fitted perspective perspectives Rendered rocks secure security solid stone stones stonework strength strong surface surfaces wall walled well-built blue bricks brickwork bright building cemented coating colored coloured connected covered decorated distinctive grooves joined lined lines painted rectangles red sections shade sunlight surfaced surfacing textured tints-and-shades yellow angled architectural architecture artistic Australian city geometric geometric shapes gray grey modern mottled orange patterned patterns pointed points raised shapes shiny triangles turquoise uneven unusual varied wallpaper