Free clipart Slide Templates

Free Machine parts PowerPoint background makes a similar aim that people work together

Notes Paper Powerpoint template is a nice background design with papers, leaves, smiles and hearts images over the background that is very suitable for thesis, classroom assignments and research presentations.

Free Powerpoint Light Bulb template is a nice powerpoint slide design with the light bulbs over a dark background that can be convenient for any presentations about electricity, electricity savings, energy or velocity of light.

This "Job Clipart" powerpoint template is a free abstract design with a man image on the blue-green wavy background.