Question about backups

In the past, I was able to make a copy of my primary server configuration profile, which would then show up under the "disk images" list in my Linode. I haven't done this in a while, and can't find the options I used to use.

I can see the option under "disk images" to create a new disk image, or edit an existing disk image. But I can't find and can't remember exactly where I used to select an option to copy the configuration profile to a new or existing disk image.

I've looked in the "edit" options for both the disk images and the configuration profiles.

This was always really simple, and thank you for anyone who can point me back to how to do it!