some important advice for HD Skinners:
1. Double the Resolution of standard elements
2. Create That Element Using Bigger Images
3. Save that Element to (Filename)@2x.png
4. After you save that element, divide the HD resolution eg. 1332/2=666
5. Save it as (Filename).png
6. You have SD & HD Element Skinned
1. Double the Resolution of standard elements
2. Create That Element Using Bigger Images
3. Save that Element to (Filename)@2x.png
4. After you save that element, divide the HD resolution eg. 1332/2=666
5. Save it as (Filename).png
6. You have SD & HD Element Skinned