I was bored so I snapped a few photos as I was replacing my purge solenoid valve yesterday. 
I wrote a few notes and compiled this how-to, with photos:
https://docs.google.com/presentation/pub?id=13HGPblg16nhweoqICIQbUT_oMYPSvfjFa5_b3dO7CpM
Picasa version here (instructions in the captions):
https://picasaweb.google.com/104727...104727252708144621143/MS3_purge_valve_replacement#slideshow/5737688890901839810
Hope that helps!
I wrote a few notes and compiled this how-to, with photos:
https://docs.google.com/presentation/pub?id=13HGPblg16nhweoqICIQbUT_oMYPSvfjFa5_b3dO7CpM
Picasa version here (instructions in the captions):
https://picasaweb.google.com/104727...104727252708144621143/MS3_purge_valve_replacement#slideshow/5737688890901839810
Hope that helps!