Hi this is my first post here, and this is my first “food picture”, I hope it looks tasty! :-p
Shaders: Subsurface Scattering, reflection was used, combined with a dust shader in order to make the grape texture softer. I would have liked to blur the reflection, but that feature was not in CVS yet - but recently added with SVN.
Blender was used for modelling, lighting and rendering, The Gimp was used for post-production effects.
(The watermark is from CgTalk, because the picture url is directly linked with cgTalk forum)
If the picture is not visible: