When I drag-and-drop images I want to send someone, they always get placed inline with the message text. This is real disruptive, as they end up wherever the cursor happens to be, usually splitting up text/ paragraphs in the process. It should be set up so that if you drag them into the body of the message you get this effect, and if you drag them to the toolbar (where the paper clip icon is), they would get attached as proper attachments.