I couldn't decide which one to post, so I took both. The difference between this two photographs is a camera adjustment. The first photograph was taken with 'artificial light', the second with 'daylight'. I like both, with a little bit preference to the 'blue apple'.
You can find this picture here:
Knootchy
You can buy this photograph here:
First photograph:
Istockpro
Second photograph:
Istockphoto