http://steamcommunity.com/sharedfiles/filedetails/?id=107214537
http://steamcommunity.com/sharedfiles/filedetails/?id=107214576

http://steamcommunity.com/sharedfiles/filedetails/?id=107214574

http://steamcommunity.com/sharedfiles/filedetails/?id=107214563

http://steamcommunity.com/sharedfiles/filedetails/?id=107214557
http://steamcommunity.com/sharedfiles/filedetails/?id=107214551

It looks like a good old drivers problems. You should revert to an older version of your graphic card drivers.