I took some photo at home to be used on china visa app, wondering how do I crop to the size so it prints on 4x 6 like a ID photo. 9 w! u3 R. z$ x3 ^ ! J* X$ G6 W) w( i$ Q/ mI used online software but they all have watermark ' {; i u1 W6 A2 x9 ^, G$ [ & y% U8 y: j6 B& o ~5 Jthanks