I have setup an automation with slack, which seems to be working, except from the bot icon. I have set an image URL, but it does not seem to be picking this up. Whenever something is posted by the bot, I see the airtable icon.
I saw this problem was also reported and solved for icons, however, there was no explanation as to what the solution was.
Had the same issue. Ended up being an issue with the URL coming from an image preview off Google search using Chrome desktop browser.
Once I drilled down into the source webpage that hosted the actual image I was able to copy the image address (a .png) and paste that into my Bot Icon field. Ran a new test and bingo! :dart: