Download the ZIP file and extract the files inside. Load the files in Photoshop(ABR, ATN, ASL, PAT) and you are ready to use the action. Open a new PSD file and add a layer that can contain a text, shape or raster object. Play one of the two actions available in the ATN file.
After the action is ended you can customize the tropical island features like the sand beach, sea water color, clouds, etc. You can also add extra details like palm trees, ponds, airplanes like shown in the preview. These details are not included in the pack.