Cameron of Erracht is the regimental tartan of the Queen's Own Cameron Highlanders (amlgamated with the Seaforths in 1961 to form the Queen's Own Highlanders, and then again with the Gordons in 1994 to form The Highlanders). It is a handsome-looking tartan and looks quite nice as a kilt:

http://www.camerons.ca/cameronhome.htm

http://79thqochldrs.8m.net/photogallery.html

Cheers,

Todd