Scouting

Boy Scouts 42nd Brighton
Covers scouting knots including the Rolling hitch, Thief knot, and Thumb knot. Animations, tips, and common uses.
http://www.mistral.co.uk/42brghtn/knots/

Forty Boy Scout Knots
Common scouting knots including the Halyard bend, the Tiller's hitch, the Granny knot, and the Lariat loop. Illustrations and common uses.
http://www.troop7.org/Knots/

Scout Skills: Knots
Covers common scouting knots including the Harvester hitch, Timber hitch, Thumb knot, and Rolling hitch. Step by step illustrations and common uses.
http://www.4thtyldesley.co.uk/knots/

Scouting Resources
Covers hitches and lashings. Alphabetical listing with illustrations and common uses. Also includes terminology definitions.
http://www.scoutingresources.org.uk/knots_index.html