Su-27 airshow crash.
http://www.youtube.com/watch?v=aTI5etjTniU
The reverse angle.
http://www.youtube.com/watch?v=CrB-YQqeNpk
Here’s the MiG-29 crash at the Paris airshow.
http://www.youtube.com/watch?v=Mp3yivDTfuw
Here’s another good one.
http://www.youtube.com/watch?v=EGrDia0gROs