Pictures in proposal getting corrupted easily

[robcxyz]

Having a issues with uploading pictures into proposal. I have ~6 pictures I want to upload but they keep getting corrupted with the icon below when I click away. Not sure if this is something that will upload properly but not something that users can usually risk since the result is a Tx that can't be updated.

I know this is going to be mainly due to the editor that you have chosen and their issue but is it possible to allow users to write raw markdown? This would solve this issue I think as then it is up to the user to paste in the pictures etc.