WP Clipart. 33,000 + free public domain clipart images with a free viewer for download. There’s also an online viewer, image converter and download service available on the site if you don’t want the hassle of the nearly 1 GB download. Lovely jubbly.
WPClipart is a collection of high-quality public domain images specifically tailored for use in word processors and optimized for printing on home/small office inkjet printers. There are thousands of color graphic clips as well as illustrations, photographs and black and white line art. Nearly all are available in lossless, PNG format. The wpclipart server is also able to convert any image (up to 600 pixels in width or height) to a JPG, if that image format is desired.