I am inclined to lean towards black and white. The spots on the outer layers of the onions that look less than edible add some distractions to the color version and actually look more interesting in B&W.
There is an issue with Uploading Photos (attachjments). I am not sure what the problem is, and I am looking into it. You can still try to Create your Threads and Upload your Photos, but it is hanging up during the Upload.