October Powerpoint Template 2 by artjective on DeviantArt Background Wallpaper For Powerpoint Presentation with dimensions 750 X 1000 by orig09.deviantart.net
October Powerpoint Template 3 by artjective on DeviantArt with dimensions 750 X 1000 by orig13.deviantart.net
Dark Blue Background by kookiekween99 on DeviantArt Background Wallpaper For Powerpoint Presentation with dimensions 675 X 900 by img01.deviantart.net
SpringTime Palette Tile Background 105 | Flickr Photo Sharing! with dimensions 500 X 500 by c2.staticflickr.com
SpringTime Palette Tile Background 055 | This is part of a c Background Wallpaper For Powerpoint Presentation with dimensions 500 X 500 by farm4.staticflickr.com
Free LuMaxArt Presentation Background 001 | Flickr Photo Sharing! with dimensions 720 X 1280 by farm3.staticflickr.com
Halloween Palette Background set | These are seamless tiles with dimensions 360 X 500 by farm3.staticflickr.com
Aperture Science PP Template by Yoshemo on deviantART with dimensions 675 X 900 by fc00.deviantart.net