If you sign up for the Clipartopolis newsletter, they will send you a link in the newsletter for a free set every week...click on the link in the newsletter and it will take you to the free set to download in seven different formats..jpg,wmf,bmp...whatever you use...really good site!
Ummm, the link didn't attach for some reason...but I just noticed it is below in another comment....
I think Sew mentions almost daily a link for the people who digitize
You will find more good links to clipart at the bottom of the Embroidery Websites listing site. The link is
http://embroidery.gotop100.com/
Scroll to the bottom of the page and you will find links to Dreamstime, Scrappin Doodles and iStockphoto. All of these are excellent sources.
Marcelle
All of the links below sell graphics for embroidery. There are many others too. I know all of the sites below allow embroidery digitizing. Others you should check their 'Terms Of Use' because many don't license for embroidery.
Marcelle
and occasionally clipartoon - sewmom includes them in her daily. Thanks Sewmom!
Try Clipartopolis.