In this illustrative fantasy scene, the sun is low on the left, but a stone tower is brighter on its right face, its shadow points left, and the clouds have strong right-hand rims. Which cue would you fix first?
A practical starting point is to mark the intended source, the tower's bright side and its ground shadow. Choose one dominant left-side light, then check the tower before tackling every cloud edge. Ambient light can complicate the picture; the aim is a coherent artistic choice, not identical highlights everywhereGrok Image 2.0 (https://grokimage20.com/) could be used to explore a reference-image edit. This is a promotional reference; no target-site edit was tested. An untested prompt:
Keep the tower, ridge, viewpoint and cloud shapes. Use the left sun as the dominant warm source. Correct the tower's lit side and cast shadow; soften competing right-hand cloud rims.
Check the lit planes, attached ground shadow and cloud highlights separately. If only the clouds still conflict, revise those next. Reject a candidate that changes the tower or ridge. Accept it when the main cues agree and the composition stays recognisable.
This is digital fantasy, not a weather observation. Does the right-hand cloud rim still suggest a second source?