Select an image in News template (Web-Templates) not possible

It's not possible to select an image in the news template.
When I update the container I have a confused Filemanager with 3 files folders.
I created a new folder "myfolder".
I tried the upload but nothing happens.

2. I upload my image in the "Document Manager" it works. But I can't find it in the update Container Engine

Beside the Field Filemanager is not multilingual!!

I see the pdf Field in pressreleases work correct. I can see every uploaded file in the field Filemanager (only the 3 files directories are confusing)