ImageBlock Most Recent Albums

I want to display 5 random images on my homepage, 1 from each of the 5 newest albums. Is this possible?

If not, can someone point me in the direction of the files that control this so I can add this feature?

The page is on the same server as gallery2 so I can use GalleryEmbed::getImageBlock($args) or even write my own database query, as a last resort.

Any ideas?

Thanks in advance!