Downloading Assets from Portfolio

Hi,

I use Portfolio as a personal website and photography gallery. I have dozens of pages (for different projects/campaigns/gigs) with dozens of photographs on each page.

I want to have desktop backups of all of my Portfolio photos (and can't find the original location for some).

Is there a way I can mass-download all of the uploaded photographs/videos/assets from my Portfolio website? It would take hours to download each file uniquely.