As I understand it, you're asking me to write an essay related to a specific screenshot image with a filename that includes "mix_21_screenshot_20201028_221037_imgsrcru_link". Unfortunately, without more context or information about what this image represents or what kind of essay you're looking for (e.g., analytical, descriptive, persuasive), it's challenging to provide a relevant and meaningful piece of writing.

Once I have a better understanding of your goals and the significance of the image, I'll do my best to help you craft a well-structured and coherent essay.

Could you please provide more context or clarify what you're trying to achieve with this essay? What is the image about? Is it related to a specific event, technology, art, or something else? What kind of arguments or insights are you hoping to explore in the essay?