"Wave Green Background" powerpoint backgrounds is another simple abstract background design that has consisted of blue, yellow and green colors over a white background.

"The Starry Sky" powerpoint template is nice for sky presentations. It has consisted of starry sky background that can be used in astronomical presentations or any presentations about stars, planets.

World financial business powerpoint template is a free abstract design with the abstract solar lights and building images that can be useful for building presentations

The Earth on the Space powerpoint template is a free abstract design with the Earth and Moon images on the background as space. The background contains hundreds of stars on the space.

Free Special Gold Ring For Love powerpoint template is a free background design that contains a cute ring box on the light pink background.

Golden Parchment Paper powerpoint background design has consisted of a weak black frame over the beige background that is an antique design.