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Maybe broaden the top of the funnel cloud in the upper left corner. Also your bank of white clouds is too uniform. Clouds aren't one tone of white; they aren't white at all. Look at them more closely. They reflect all the colors around them, of the sun/moon light, the earth, whatever is going on that day. I think you need more highlights and shadows everwhere. This is very 2 dimensional.
Thank you all for your suggestions. This piece has been one that i have had trouble with i did it from a photo i found and i thought it would be cool to paint it. It just hasn't really come together the way i had hope.
Thank you very much for that advice.