this is the way I do it 😉
It is a bit mixed with german words but you will understand them 😉
Only PNG, GIF and JPG file format accepted! Max file size is 1 MB!
Files not within this spec can’t be posted.
Durchsuchen is “Browse/Search”.
Select the file you want to upload.
1st step is done.
Now press the Upload button adjacent to the Browse button and wait a moment to allow the picture to be uploaded (depending on your network speed and file size)
Repeat this step for further pictures.
There is a small “list” of the attached files shown.
When finished press the Submit button.
Have fun !