My sister is looking for photos with a brigh colourful interesting foreground with a blurred background, so I am going to post a big bunch here which is the easiest way of getting them to her.

There is also this web site that has photos available for any use and has a huge section devoted to flowers:
http://www.public-domain-image.com/flora-plants-public-domain-images-pictures/flowers-public-domain-images-pictures/african-daisy-pictures/african-daisy-flowers.jpg.html