Here is a Trackmania movie about the clan called Pure Nitro.
Now you can try TrackMania for free.
This trailer shows off the Track Editor in Trackmania Wii that allows you to create your own tracks very easily and intuitively with the Wiimote.
This trailer shows off the Wii version of the hybrid 3D /racing game filled with progressively difficult tracks, Trackmania.
This pdf document is a digital version of the Trackmania manual.