Here are the instructions regarding how to upload the pics.
We're working on a pin but this will due until then...
1 - Photo should be stored as a file on your computer/phone.
2 - Click to post a reply to the thread as usual.
3 - At the bottom of the screen, you will see either:
or, next to the Post reply button, there will be a "More reply options".
4 - If you do nothing else, the photo will be uploaded as a thumbnail at the bottom of the reply: (like you see below)
5 - If you want the picture in the middle of the post, click the "Add to Post" option, which looks like this:
(To ensure the picture is where you want it, place the cursor at the desired location before clicking "Add to Post".