Animated GIF files are the most common type of animation and most accessible, other technologies usually require the browser to have an appropriate plug-in program to allow the animation to be viewed. Thes images have all been created by me, I can'r stop you copying them but would appreciate you letting me know. If you want a custom animation, get in touch!
a series of images from the NDTA site, these are tabs for selecting tutorials on different NDT techniques,

Two demo's of the techniques above, showing how the methods respond to damage (cracking)

Windsurfing stuff ...

More NDTA ...