Wingwalking a Blankik... or two
http://www.dailymail.co.uk/news/worldnews/article-1265891/Hold-think-you
re-going-Skydiver-grabs-gliders-tail-fin-fly-2-100-metres-100mph.html 

Thermalling over Frankfurt during the Iceland Ask closedown, courtesy Tim Exley
http://www.youtube.com/watch?v=17clkkKyIwc

Morning Glory videos, courtesy Phil Binke
 At 95 knots
http://www.youtube.com/v/ynrpSfaW6_k

Just Glidin' Along
http://www.youtube.com/v/c-Ilqps7owY

At 7000 feet near Bayley Island
http://www.youtube.com/v/dpPFPJxfXNE 

How to Fly a Piano

The following series collected by John Duffy.

http://www.youtube.com/watch?v=pTR93Hf9gjI&mode=related&search= - Alps flying makes Coorabel ridge look puny! (Alps Gliding)
http://www.youtube.com/watch?v=4BLYAwbWg0A&feature=related - Pohlheim gliding -nice video of motorfalkes and winch launching. Good quality video so some buffering but worth it (Segelfliegruppe Steinkopf e.V. in Pohlheim)
http://www.youtube.com/watch?v=beu9QiOk3dE&feature=related  - Glider towing with Extra 300 tug, inverted towing and the glider rolling on tow - wow! (Briggin Hill Airshow 2006 Pt 4)
http://www.youtube.com/watch?v=DoZoLMDZ0cg&feature=related - Amazing finals dropping water (Smokin low pass)
http://www.youtube.com/watch?v=ioLjWShI-ac&feature=related - More of the same but look for the low pass between the hangers and hedge hopping!! (UK Smokin High Speed) 
http://www.youtube.com/watch?v=aE2yOgMWdak&feature=related - The aerobatics are good but count the low level loops at the end of the clip, look at the relief on the pilot at the end of the flight. There is a cockpit version of this as well (6 looping em um planador)
http://www.youtube.com/watch?v=iXu1STCmuu8&feature=related - Nimbus 3 low fly passes before he pops his motor, where's Ian's 2000' rule. Lucky he has those long wings (Glider triple low pass Nimbus 4DT @ Albatross)
http://www.youtube.com/watch?v=8GQjka3ZXtg&feature=related - Maybe the parachutists across the way could do this from a falke? ( Passenger bails out of Blanik Glider)
http://www.youtube.com/watch?v=5WtML0ELa3k&feature=related - Wonder if Casino ever tried this with their Pilatus? (Inverted low pass highlights)

There are some more good ones out there if you look but these should whet your appetite. 

Airventure 2009
Andy was there, says there were some 20,000 aircraft there. Great footage, great music, great editing!
http://www.youtube.com/watch_popup?v=nKU0uQki5Dc

Military
Best Flyby's
http://www.youtube.com/watch?v=7Dr2ZB36p9Y&feature=player_embedded