Not actually for Beta 1.3. It's for c0.0.12a_03-200018. Not 8x either. Original resolution. How to install: open the c0.0.12a_03-200018 jar file and replace terrain.png, char.png, default.gif, dirt.png, grass.png, rock.png, and water.png with this terrain.png, char.png, default.gif, dirt.png, grass.png, rock.png, and water.png in the .zip file.