Hi Wim! In order to be able to use this photo, the format 16:9 is required as well as a permission to download the picture according to the group guidelines. Here you can find an illustrated "how-to" for the setting to download a single image, www.ipernity.com/doc/team/46231210/comment/53304540#comment53304540.
Please note that the download can only be made available by club members.