Openclipart

Open Clipart is an online media collection of more than 160 000 vectorial graphics, entirely in the public domain. In the Open Clipart collection, all graphics are stored using the Scalable Vector Graphics (SVG) format. Major standard supported all accross the web, SVG files are very portable and can easily be scaled, edited or printed without deformation.

See the reference side-by-side comparison Free Stock Photos, Images and Videos