Illust AC
Clipart AC
the site with more than 17,000 (and growing) royalty free cliparts from Japanese artists

Every cliparts are completely royalty free, it means that you can freely use any downloaded clipart for any purpose, brochures, magazines, web pages, flyers, newsletters, shop signs, project sheets, business cards, and so on. You can even change and modify the clipart, completely free edit with your imagination.