The menu just above in the middle says uploads. Make sure your pictures are in a file on the computer your using and click upload, then bottom left browse, then look for the picture you want to upload and click on it and they click on upload under the browse button and there you go. There are two boxes now 1 says thumb and the 1 under it says image. click into image and press in your key board "CTRL+C" and then go to your post and press "CTRL+V" and it will paste the pictures location you just uploaded and hit "SUBMIT" at the bottom of your post and your picture will show up in the thread. Best of luck to you.