Fourth and final stage.
Create your topic .
Describe what you want, if you have a topic expose it,
If you have images to add add them to your project.
to add an image proceed like this
1-for an image from the internet:
right click on the image you have chosen, then click on "display image". Once the image is displayed, right click again and then click on "copy the image link", once on your project, right click and paste, (the link of the image will be directly in your post).
2-For an image from your computer.
Upload your image on the site https://postimages.org/, and let you guide, once the image is uploaded, do as for an image from the internet.