* JXL Tab for creating tabbed interfaces.
* JXL Radio which plays a list of mp3 files.
* JXL VCR which plays video files and movie clips.
* JXL Preloader which preloads an external movie into a level or movie clip. For Flash 5, too!
* JXL Custom Cursor for creating a custom cursor.
* JXL Mouse Trailer for creating mouse trail effects.
* JXL MDArray for use in grids, tile based games, and spread sheets.
* JXL Bandwidth Detector to determine how fast the user's connection is.

After installing the extension, you can find JesterXL's Flash UI Components Set in the menu of the Components Panel in Flash MX. API documentation for the new components will be available in the Reference Panel.