I realised in the clear light of day that the original process of this was absolutely horrendous. The new version (especially since the original posting) is radically different so for once I am going to post an *updated* image.
yeah, I do find that to be a problem with this image. Other than darkening the top left a bit and increasing the contrast of the rays, there arent many adjustments to this image and yet it doesnt quite look real!
no, it was mostly because this is so radically different from the first posting that people will no doubt feel this is more natural (and they would be right, its pretty much just contrast work and darkening of the top left cloud now) Thanks Jake