Create the new layer now, using the fast button Create a new layer on the Layers window. Take the Brush Tool and paint the eyes with the necessary color.
　　
　　新建一个图层，选择画刷工具将眼睛涂成你想要的颜色。

　　Change the layer type on Lighten.
　　层类型更改为点亮。

　　To change the textile of which the corset is made up, you need to choose another textile, that one you like and place it on a new layer, above the girl.
　　给MM的衣服换个花纹，找个你喜欢的花纹图案，放到新层中。