White As Snow
White as snow is used for people who are honest and trustworthy.
When It Rains, It Pours
Used when we have to say that one problem can lead to another i.e. when one thing go wrong, lots of others also go wrong.
Window To The Soul
Window to the soul is usually used for eyes as they are our channel to see this world. In broader sense it is used for someone or something which plays a key role in existence of others.
Wear Sackcloth And Ashes
This idiom is used for someone who displays their grief publicly.