|(require 2htdp/planetcute)||package: htdp-lib|
The images are designed to be overlaid with each other to build scenes for use in games. Here is an example image taken from the Planet Cute website.
> (beside/align "bottom" (stack (list wall-block-tall stone-block)) (stack (list character-cat-girl stone-block stone-block stone-block stone-block)) water-block (stack (list grass-block dirt-block)) (stack (list grass-block dirt-block dirt-block)))
The Planet Cute images also include some shadows that can improve the look of your game; see the Shadows section for an overview of how to use them.
The shadow images are intended to be overlaid on the other blocks when they appear in certain configurations, as detailed here.