Hi, Ton. Welcome to the site! It looks like you are having some difficulties posting. If you click "Edit" right below your posting, you can make changes to the same posting - you can add to or revise that message, or add photos.
Here are some instructions for how to add photos to your posting.
This is for adding photos that are embedded in the message, that is, interspersed through the text:
This is another way of adding photos, which displays the photos beneath the written message:
I hope this is helpful! Please feel free to ask questions if you still have problems!
Lori (one of the site moderators)