abstract backdrop background canvas colour colours grunge grungy hues paint pastel pastels rough series shade shades textures tone tones accretions accumulated accumulations coloration coloring colors colouring columns crystallisation crystallise crystallization crystallize deposits distinctive edge edges formation forms glassy layered layers levels light shape shaped shapes slow slow-growth slowly smooth surface surfaces texture unusual color hue painting rustic aged christian clouds cross faith paper papier religion religious sky vintage art autumn beautiful black brown classic colourful concept creation design desktop dez pain fall fantasy fill finger paint gaudy graphic illustration modern orange ornate pattern retro rich scrapbooking style swirls vector vivid white xymonau Australia bark blackened burnt burnt-out charred charring damage damaged eucalypt gnarled height high knobbly layer life nature persevering persistent pitted pitting resilience resilient scarred scars strength surfaced textured tree trunk