Last year we were prototyping cloud hosted Confluence+Questions but had to park it.
I am now picking up the prototype again and in our instance there now seems to be no option to attach images (or anything else) to a question, even though they are present in older questions in the prototype from last year.
If users cannot post screenshots or examples in questions then they will be of limited use to us.
Old question:

New question editor - seems only to be able to take a URL?:
