Make sure the cow's fur looks natural and realistic, not overly shiny or stylized.
"Ensure that the mermaid's tail appears to be made of real materials such as scales, not something artificial like plastic.
"Make sure that the cow's hooves are planted firmly on the ground and not floating in the air.
Make sure the mermaid's hair is blowing in the wind but not too stylized, it should look natural"
"Make sure that the mermaid's tail is not too large or disproportionate in relation to her body.