If I were to guess, it appears to be an issue with the fog layer. Even in native XP, that layer can be troublesome, but not so much to the degree that I see from your screenshot. As a good start, try running XP without X-Enviro and see if the issue is lessened.
'Square' mess in the distance.
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If I were to guess, it appears to be an issue with the fog layer. Even in native XP, that layer can be troublesome, but not so much to the degree that I see from your screenshot. As a good start, try running XP without X-Enviro and see if the issue is lessened.