I bet you hear this all the time - Nice Yak.
Seriously, they're great! The first one is my favorite.
The limitation at airshows I usually see is my position with reference the light source - El Sol, of course. One can only stand where one is allowed to stand. The backlighting here causes an unwelcome shadow, but the same light gives a great quality to the smoke.
If the weather holds, I'm going to an airshow this weekend.