1. Save downloaded ASL file into Photoshop/Presets/Styles
2. Click the triangle in the Styles palette, Layer Style dialog box (Photoshop), or Layer Style pop-up palette in the options bar.
3. Choose Load Styles
(Photoshop) or Append Styles (ImageReady) to add a library to the current list. Then select the library file (ASL file) you want to use, and click Load