Black grunge Backgrounds: Free ppt background of Black grunge powerpoint background.. High resolution black grunge background, design element ready for download. Black and white painted background with grungy edges. A dark artwork useful as an alpha channel mask, texture, background, frame or border.. Resolution: 3500�2625 px Large preview (1280x1024px): Black grunge ppt background image Size: 3,13 MB Format: JPG Color theme: black, white Keywords: black and white background, black grunge frame, hi-res design element, black textures and patterns Author: unknown file