I think the legs are absolutely okay, including the general proportions.
I even like especially how the trousers are.
Maybe, the boots are bit less big than one would expect, but that's no problem s far, IMO.

http://www.puppenheim.org/
http://www.wuerfels-welt.de
Old Game Tutorial: http://www.puppenheim.org/MITutorial.zip
Free Game Editor: http://puppenheim.org/AlienalsWeihnachtsmann.zip
http://www.puppenheim.org/blender_starting_main_settings.txt