This guy really know how to change tyres in a efficiant way.... look at him standing with white shirt and no gloves and just play the tyre in place.... Enjoy:

Part 1: http://www.youtube.com/watch?v=yNZzxeyfXBw
Part 2: http://www.youtube.com/watch?v=mTatadVNA-c
Part 3: http://www.youtube.com/watch?v=pjJXE73rGvk

OK, he�s removing a new tyre and have surely choosen a easy-to-mount tyre and stands in hot california sun but his tecnique has sure improved my tyrecahnging a lot.
For the black rims you have to use rim protectors.

/// MC