The Joomla Article Manager

To create a new Article click the green plus button in the top right submenu. Make sure that you identify the article’s name, it’s section and category.
Un-publish – To remove a page from viewing, click the green published check mark in the column next to it’s title. The icon will switch to a red x, [...]

How to Insert an Image into an Article in Joomla

To insert an image into an article, click the image button at the bottom left hand of the page and the following pop-up window will appear:
If the image has already been uploaded to the site and is in Joomla’s Media Manager then you can just click the image you want, followed by the Insert button [...]