stupid camera bug

http://filesmelt.com/dl/hl2_2011-11-07_21-46-12-85.bmp
http://filesmelt.com/dl/hl2_2011-11-07_21-46-02-40.bmp
http://filesmelt.com/dl/hl2_2011-11-07_21-45-57-55.bmp
http://filesmelt.com/dl/hl2_2011-11-07_21-45-54-91.bmp
http://filesmelt.com/dl/hl2_2011-11-07_21-45-52-44.bmp
http://filesmelt.com/dl/hl2_2011-11-07_21-45-50-61.bmp
http://filesmelt.com/dl/hl2_2011-11-07_21-45-38-27.bmp
http://filesmelt.com/dl/hl2_2011-11-07_21-45-33-10.bmp

Did you download any add ons that might change viewmodels or move your screen when you walk?

Getting into a vehicle usually fix it