Found this vid on Strategy Page. Aside from being a pretty good site for military news and information, it is also a great site for photos and videos on those and related subjects.
In this case, a camera fixed on a De Havilland biplane records a joy-ride on a perfectly lovely day for flying. However, around 41 seconds into the clip, keep an eye on the lower-left wing (to screen right).
I expect the aftermath of the incident will be described as a real pain in the dairy air.