Love: http://www.geo.mtu.edu/UPSeis/images/Love_animation.gif
Rayleigh: http://www.geo.mtu.edu/UPSeis/images/Rayleigh_animation.gif
more wave definitions: http://allshookup.org/quakes/wavetype.htm
Virtual notes & LAB: https://www.bgs.ac.uk/discoveringGeology/hazards/earthquakes/structureOfEarth.html