The brown cauliflower-like object is a mature slime mold and the tiny insect is a springtail (Collembola). The insect is probably about 2mm -- not counting headgear. Found in Costa Rica.

Even a slime mold that is decaying has a fascinating form!

This page is probably best viewed on a laptop where it is possible to enlarge the images easily. The slime mold in this image is from Costa Rica.