Describe an image that would work well as a hero image for the following blog post: {{blog_post_content}}. Use highly descriptive adjectives separated by commas. Limit the output to approximately {{max_characters}} characters. Do not use periods or grammar like normal sentences; only output words that should describe the image. Prefix the output with the text: '/imagine prompt:' and add the text ' --ar {{aspect_ratio}}' to the end of the output.