Hi Bart,
Welcome to the site. To post pictures, follow the steps below.
1. start a new topic, or reply to an existing one
2. go to the select image file to attach area right below where you type the message. If you have more than one picture, you can upload a .zip file with them all included.
3. click the browse button, and find the find you would like to attach
4. click the img button right next to browse. That will insert the image where your cursor currently is for typing.
5. click submit, and your new topic or reply will be posted.
let me know if you have any problems
-Nick