There are a vast number of video on Youtube and the internet dealing with Aikido, here is a selection from mostly Australian Sensei and Shihans, or of Sensei who have a special connection with Aikikai Australia.
Sugano Shihan (Seiichi Sugano)2010
Sugano Shihan explains the Japanese Sword
Sugano Shihan demonstrating boken kata
Sugano shihan à Paris, 2007
Summer School 2011 - Memorial
Yamada Yoshimitsu Shihan
Mike Abrams Shihan
Tony Smibert Shihan
Robert Botterill Shihan
Hanan Janiv Shihan
Phillip Lee Sensei
Roger Savage Shihan
Carel Zappeij Sensei
Louis Van Thieghem Sensei
David Scott Sensei
David Brown Shihan
John Rockstrom Sensei
Felicia Birman Sensei
Techniques employ four qualities that reflect the nature of our world. Depending on the circumstance, you should be: hard as a diamond, flexible as a willow, smooth-flowing like water, or as empty as space. 
