There are 2 ways you can create an album from Onlime.dk:
Select Album at the top of the page
Select New Album
Name your new album and click Save
You can add photos to the album by clicking Add Photos and selecting the photos to include in your new album.
Select multiple photos from the timeline
Click Add to Album
Create a new album or add to an existing album
You will now be notified that the photos have been added to the album. You can choose to add more photos to the album or view and name the album.
Select all photos from an entire day at once by clicking on the box next to the date
Select multiple photos with ctrl and shift as you know it from Explorer (Windows) and Finder (Mac)