You can also click the little insert image icon "
" and it will automagically do the [img] [/img] stuff for you. You need the image to be on a web page somewhere.
There are a number of free image storing web sites if you need to store an image somewhere.
Storing the image on eccie has some limits on size of the image.
Be sure to click on "preview post" to see if the image gets included properly.
If you want to see the formatting of your post, the little switch editor mode
icon over to the right shows you the text you're generating.