A quite frequent problem that people have when playing Graal on Mac is that they can't find the folder where their files are being stored, such as heads, bodies, tilesets, and for developers, scriptfiles. Normally regardless of where you install Graal, downloaded files will be stored inside a user-specific, but hidden, folder.
In order to locate this folder:
Attachment 51647
1. Focus on Finder by clicking the Finder icon in the Dock, or clicking on the desktop.
Attachment 51644
2. Select the "Go to Folder..." option in the "Go" menu.
Attachment 51645
3. Enter the following into the box: "~/.graal/graal4/", and press OK.
Attachment 51646
4. Voila; here is where Graal stores downloaded files (inside the levels/ folder), settings and other files.