Here is a short guide to writing a post.
First, enter a short, informative Topic Title
To add (embed) a screenshot (such as a PNG file) to your post, as I have done just above, do the following:Take a screenshot and annotate it as necessary. (Optional, but good practice) Compress the image using an online service, such as TinyPNG Click the insert icon, and select the file on your desktop.
Look at the Preview Panel alongside to see what your post will look like.
Click Submit when you're satisfied.