plain text, xml structure, environment-config?
Plain text, lists paths to additional files (to load?), one line for each file
- zal = zone asset list?
- ast = asset list?
Used for small animations, such as minifig faces. Essentially a .swf flash file, with a different file header. To convert to a .swf file, change the “GFX” in the beginning of the file header to “FWS”. See also: http://wwwimages.adobe.com/content/dam/Adobe/en/devnet/swf/pdf/swf-file-format-spec.pdf