David Hockney "Mother" Great Examples of "Joiners" here http://thedelightsofseeing.blogspot.co.uk/2011/03/cubism-joiners-and-multiple-viewpoint.html
distorted face pastel colours
Swirling, Psychedelic Self Portraits by Nikos Gyftakis portraits painting - such beautiful colors and technique.
Picture Distortion, like the other tape on fave pictures its simple to do but a good example of distortion
broken mirror by evapechmarie Collage, Suitable for a project called Fragments for GCSE
Francis Bacon - self portrait I find it interesting on how his distorted faces can represent alienation.
Love this distorted collage effect, could do this using animal and human faces