Here's a "Happy Accident" that was taken during a British birds photography workshop, where I managed to unintentinally capture this bird mid-flight. I quite like the effect of the blurred wings and tail. 

Below is a completely different "Happy Accident" where I was trying out different view points as part of this course taking photos of my dog, which peeked her interest and she rushed over to see what I was doing. Not sure it quite works, and her paw is rather blurry, but I quite like the close-up of her peering down at me!