Roberto, this is a interesting image, looks almost like a lithograph, or pen and ink. IMHO I would clone in more tree at the upper right corner. If you cropped this image, too bad that the roof of the building at the upper left corner is cut off, the sky looks odd to me especially around the trees on the right side. Might play around a bit with contrast, brightness, hue, saturation or levels see what it does. Just my ideas and opinions. I do like the image it is quite good.
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{K:7006} 11/7/2006