How to create an article from the front end
From Joomla! Documentation
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.
"Add images to your document. You can select previously uploaded pictures, give a direct URL to an image or upload your own image. (optional)" - No, you can not, at least not in the window we are. Please fix it.