Resources

To create a track, you will need some resources.
Textures, sounds and even models if you don't want to model everything yourself.

Everything

http://opengameart.org/ – Speaks for itself.

Textures

RVIO Texture Animations
More than 20 texture animations ready to be used with the Blender add-on.

RVIO Skyboxes
More than 20 skyboxes ready to be used in RVGL.

http://cgtextures.com/ – Huge resource.

Sounds

http://freesound.org/ – Free sounds. Find login data at http://bugmenot.com

Music

http://jamendo.com/ – Very nice resource. Lots of high-quality music. Used to be good. They broke the search. We need to find another resource.