1) Click on the POST REPLY button (don't use the Quick Reply feature.
2) Scroll down and find the ADD AN ATTACHMENT button. Click it.
3) Under Add an Attachment, find the CHOOSE FILE button. Click it. (That is what I am guessing it says; my computer is completely in German, so I am translating.)
4) Locate your file in its folder, click on it, and hit the OPEN button.
5) Hit the ADD ATTACHMENT button.
6) If you want to add more than one file, repeat steps 3) through 5).
7) Click SUBMIT.
8
) If you want to post the pictures elsewhere (e.g., in a different thread), right-click on the photo and select "Copy Picture URL" (or equivalent option in your browser).
9) Paste the URL where you want to post the picture. For example, if you want to post it in a thread, you can hit the
button and paste the URL there.