The Fluffiness of a Cloud

How could I possibly capture the beauty, texture and fluffiness of a cloud?  For over two years, I've tried and tried and tried with no success.

The funny thing about Mother Nature...you never know what she will show you.

We were at my son's last Spring season soccer practice.  The sun was bright and happy and I was quite content photographing my son.  My camera was set for the sun's light when it darkened.  I looked up and this is what I saw...