Did you know that you can use Markdown to insert images into your comments in Buckets?
If your image is not hosted, you can upload it to the Card Attachments copy & paste the Markdown string in the embed codes. You can find the embed codes via: View Attachment > Embed Codes > Markdown Field.
Here's how to embed an image in seconds:
If you have a hosted image, you can apply the URL to the Markdown string:
![Alt Text] (https://www.example.png)
Give it a go and see what you think!