Exploring Earth:
Contains an introduction to deformation, photographs of outcrops with deformation features
(and mouse activated overlays to help you see the features) and animations relating
direction of stress and environmental condition to the resulting structural feature.
http://www.classzone.com/
Virtual seismic atlas:
Contains an amazing selection of high quality seismic images, many with interpretation.
Set out under lists of geological setting or structure so easy to navigate to something of interest.
http://www.seismicatlas.org/
Teaching resources in structural geology:
Contains a comprehensive background to all aspects of deformation with plenty of illustrative
photographs and block diagrams.
http://www.see.leeds.ac.uk/structure/learnstructure/index.htm
GeologyRocks:
Another all round introduction to structural geology.
http://www.geologyrocks.co.uk/tutorials/introduction_to_structural_geology
Geoblocks 3D:
Contains movies, exercises and worksheets showing geological features as animated 3D block diagrams.
http://reynolds.asu.edu/blocks/home.htm